Document:

Exhibit
10.1

 

May
3, 2018

 

Dual
Fuel, LLC

7030
W. Oakland Street, Suite 101

Chandler,
AZ 85226

Attn:
Kenneth Losch, Manager

 

Dear
Mr. Losch:

 

This
binding letter of intent (the “Letter”) sets forth the basic terms and conditions of the acquisition (the “Transaction”)
by Dual Fuel, LLC, an Arizona limited liability company, (the “Buyer”) from American Power Group, Inc., an
Iowa corporation (“APGI”) and its parent, American Power Group Corporation, an Iowa corporation (“APG”)
(APGI and APG collectively, the “Seller”), of four hundred million (400,000,000) shares (the “Shares”)
of Seller’s common stock. Buyer and Seller are sometimes individually referred to as a “Party” and collectively
referred to as the “Parties.” This Letter supersedes, in its entirety, any and all oral or written communications
that previously occurred between the parties, including, without limitation, that certain Letter of Intent, dated as of January
11, 2018.

 

1.
Purchase of Shares. The Buyer will pay the Purchase Price pursuant to Section 2 below, and at the closing of the Transaction
(the “Closing”), receive delivery of the certificates for the Shares purchased at the Closing, duly endorsed
in favor of Buyer, free and clear of all liens, claims and encumbrances. Delivery of the certificates for the Shares purchased
after the Closing (as set forth below) will occur upon receipt by Seller of the applicable Purchase Price for such Shares.

 

2.
Consideration. As payment and consideration for the Shares, the following will occur:

 

	 	(a)	Buyer
    will make an investment in American Power Group in the aggregate amount of two million dollars ($2,000,000) in cash and “in
    kind.” 
	 	 	 
	 	(b)	Buyer
    will make an initial investment of five hundred thousand dollars ($500,000) for the purchase of one hundred million (100,000,000)
    Shares and commits to purchase three (3) additional separate blocks of one hundred million (100,000,000) Shares each (for
    a total of 400,000,000 Shares) cash or ‘in kind’ investment through the services of investors of other companies.
    The commitments must be completed within eighteen (18) months from the Closing date. 
	 	 	 
	 	(c)	The
    one million five hundred thousand dollar ($1,500,000) commitment to provide the cash or “in kind” services will
    be underwritten and guaranteed by Advanced Green Innovations, LLC on behalf of Buyer. 
	 	 	 
	 	(d)	The
    pre-money valuation for the immediate investment as well as all commitments is based on a premium to the current market rate,
    and would be $.005 per share (share price as of April 30, 2018 was $.0033). 

 

3.
Conditions Precedent.

 

	 	(a)	The
    obligations of the Parties to consummate the Transaction are subject to the following conditions:

 

    	1

     

    

 

	 	(i)	The
    negotiation and execution of mutually satisfactory definitive agreements (the “Definitive Agreements”),
    setting forth the specific terms and conditions of the Transaction. The execution of the Definitive Agreements by the Parties
    is subject to approval by Seller’s board of directors. The Parties will use their reasonable best efforts to negotiate
    in good faith the Definitive Agreements, which shall contain, among other terms and conditions, and in addition to those basic
    terms outlined above, the provisions in accordance with this Section 3. The Definitive Agreements shall be in a form customary
    for transactions of this type and will include, in addition to those matters specifically set forth in this Letter, customary
    representations, warranties, indemnities, covenants and agreements of Buyer and Seller, customary conditions of closing and
    other customary matters.

 

	 	(b)	The
    obligation of the Buyer to consummate the Transaction is subject to the following conditions:

 

	 	(i)	Removal
    of four million two hundred thousand dollars ($4,200,000) of debt not related to the ongoing business of dual fuel.
	 	 	 
	 	(ii)	Execution
    of the Patent and Technology Purchase Agreement (the “M&R Purchase Agreement”), by and among M&R
    Development, Inc. (“M&R”), Clean Power Technology LLC (“CPT”) and APGI. 
	 	 	 
	 	(iii)	Rights
    to appoint 3 of 5 directors to the Board of Directors of APGI upon closing for a period of thirty-six (36) months. After this
    period, election of the board would be based on shares owned unless other investments or arrangements have been made.
	 	 	 
	 	(iv)	Use
    of funds: To fund company operations to increase revenue, to develop the V6000 kit, V6000 with ETMS, and to sustain and grow
    APGI.
	 	 	 
	 	(v)	Three
    million dollars ($3,000,000) of APGI’s Contingent Convertible Debt would be extended for a period of thirty-six (36)
    months and they would have the option at their choice to convert into shares of common stock at market price once market price
    exceeds $.25 per share or at $.25 anytime earlier at their choice. The balance would automatically convert at the end of thirty-six
    (36) months into common shares at $.25 per share if not converted earlier. The Debt holders would provide Buyer the right
    of first refusal to purchase the converted shares should the holder chose to sell the shares. APG would reserve the right
    to pay off the debt prior to conversion or maturity if funds are available and with a majority of the Board of Directors approval
    of the payoff.
	 	 	 
	 	(vi)	Iowa
    State Bank debt would remain in place along with the existing personal guaranties “as is” until such time as the
    company elects to refinance it. The Parties acknowledge the intent to remove the existing personal guaranties as part of any
    refinancing effort.
	 	 	 
	 	(vii)	Upon
    the execution of this Letter and the M&R Purchase Agreement, Buyer will pay to Seller the amount of two hundred thousand
    dollars ($200,000) (the “Deposit”), whereby one hundred thousand dollars ($100,000) of the Deposit will
    be applied to the upfront fee required pursuant to the M&R Purchase Agreement. Buyer will fund an additional one hundred
    thousand dollars ($100,000) upon Closing of the Transaction, such that at Closing Buyer will have paid to Seller an aggregate
    of three hundred thousand dollars ($300,000) and will be issued Shares at the Closing for such amount. After the Closing of
    the Transaction, Buyer will pay to Seller an amount of fifty thousand dollars ($50,000) per month for four (4) months. 

 

    	2

     

    

 

	 	(viii)	All
    warrants and options, to the extent allowed by law would be terminated. All preferred stock would be converted to common stock
    and accrued but unpaid dividends forgiven by the holders.
	 	 	 
	 	(ix)	Employment
    agreements, as mutually agreed to between the Parties, with several former and one current employee would be executed.
	 	 	 
	 	(x)	Current
    investment round would be opened to any other interested investors, including current insiders.
	 	 	 
	 	(xi)	APG
    would assume responsibility for preparation of closing documents with each Party paying own costs.

 

	 	(c)	The
    obligation of the Seller to consummate the Transaction is subject to the following conditions:

 

	 	(i)	Execution
    of the M&R Purchase Agreement. 

 

4.
Post-Closing Provision. Any funds advanced by Neil/Matt from December 15, 2017 to the Closing date of the Transaction for
basic operating needs of APGI will be reimbursed from APG company funds after the Closing Date of the Transaction.

 

5.
Exclusivity. In consideration of the mutual covenants and agreements contained herein, so long as this Letter has not been
terminated by either Party, Seller will not directly or indirectly, solicit, discuss, accept, approve, initiate, respond to or
encourage any inquiries or proposals relating to, or participate or engage in any negotiations with respect to the Transaction
contemplated herein after the execution hereof by Buyer, unless it is necessary to facilitate the Transaction in accordance with
this Letter or in accordance with existing contracts or obligations.

 

6.
Confidentiality. Subject to the exclusions and limitations set forth in this Section 6 and in Section 7 below, all information
exchanged between the Parties under this Letter is confidential. Neither Party shall disclose to any third party (other than affiliates,
subsidiaries, successors, assigns, consultants or advisors, and only to the extent they “need to know” in order to
carry out the intent and purpose of this Letter) any of the other Party’s confidential information unless required by law,
government agency, court order, civil investigative demands, or needed by a Party to assert claims under this Letter or defend
against claims made against the Party of such disclosure after the disclosure. Notwithstanding, either Party may disclose any
such information that: (i) becomes generally available to the public, provided it is not the result of disclosure in violation
of this Letter; (ii) was in the possession of the recipient at the time of disclosure to the recipient; (iii) was lawfully received
by a recipient from a third party without any breach of a duty of confidentiality by a Party to this Letter; or (iv) was developed
independently by a recipient without reference to the confidential information under this Letter and not at the direction of a
Party to this Letter. The Parties further acknowledge that APG is a public reporting company and may be required to disclose certain
information regarding this Letter and the transactions under applicable rules and regulations of the Securities and Exchange Commission.

 

    	3

     

    

 

7.
Publicity. Neither Party will make any disclosure or public announcements of the proposed Transaction, this Letter or the
terms thereof without the prior consent of the other Party, which shall not be unreasonably withheld, or except as required by
relevant securities laws. Seller agrees and acknowledges that Buyer and its directors, officers, members, managers, employees,
agents and representatives will disclose business information and information about the proposed Transaction in the course of
securing financing and that Seller and its representatives may be required to disclose that information under the continuous disclosure
requirements under U.S. securities laws.

 

8.
Miscellaneous.

 

	 	(a)	This
    Letter shall be governed by and construed and interpreted in accordance with the laws of the State of Iowa, excluding with
    respect to conflict of laws and each party irrevocably: (i) agrees that any action or proceeding arising from or relating
    to this Agreement may be brought only in the courts of Iowa or the U.S. District Court located in Des Moines, Iowa; (ii) consents,
    for itself and in respect of its property, to the jurisdiction of each such court in any such action or proceeding, and (iii)
    waives any objection to proceeding in such venue, including that the forum is inconvenient.
	 	 	 
	 	(b)	If
    any term or provision hereof shall be held illegal or invalid, this Letter shall be construed and enforced as if such illegal
    or invalid term or provision had not been contained herein. 
	 	 	 
	 	(c)	The
    delay or failure of a party to enforce at any time any provision of this Letter shall in no way be considered a waiver of
    any such provision, or any other provision of this Letter. No waiver of, delay or failure to enforce any provision of this
    Letter shall in any way be considered a continuing waiver or be construed as a subsequent waiver of any such provision, or
    any other provision of this Letter. 
	 	 	 
	 	(d)	This
    Letter may be executed in any number of counterparts, each of when executed and delivered (including by way of facsimile)
    is an original but all of which taken together shall constitute one and the same instrument.

 

9.
Legally Binding. The Parties agree that this Letter constitutes a binding commitment by each Party. The Parties agree to
negotiate in good faith to finalize and execute Definitive Agreements in a timely manner. In the event Seller terminates this
Letter for any reason within thirty (30) calendar days of the date of this Letter or elects not to enter into and execute the
Definitive Agreements within forty-five (45) calendar days of the date of this Letter, then Seller hereby assigns its rights under
the M&R Purchase Agreement to Buyer in consideration for the funds advanced by Buyer to Seller pursuant to the terms and conditions
of this Letter.

 

[Signature
page to follow.]

 

    	4

     

    

 

Please
sign below, which will document your acknowledgment to the foregoing provisions.

 

Yours
Truly,

 

	American
    Power Group, Inc. 	 
	 	 	 
	By:	/s/
    Charles E. Coppa	 
	 	Charles
    E. Coppa, CEO 	 
	 	 	 
	 	Date:
    May 3, 2018	 
	 	 	 
	American
    Power Group Corporation 	 
	 	 	 
	By:	/s/
    Charles E. Coppa	 
	 	Charles
    E. Coppa, CEO	 
	 	 	 
	 	Date:
    May 3, 2018	 

 

Consented
to and Agreed to this 3rd day of May, 2018:

 

	Dual
    Fuel, LLC	 
	 	 	 
	By:	/s/
    Kenneth Losch	 
	 	Kenneth
    Losch	 
	 	 	 
	Advanced
    Green Innovations, LLC	 
	 	 	 
	By:	/s/
    Kenneth Losch	 
	 	Kenneth
    Losch	 

 

    	5EXHIBIT
10.2

 

PATENT
AND TECHNOLOGY PURCHASE AGREEMENT

 

This
Patent and Technology Installment Purchase Agreement (the “Agreement”) is made as of the 4th day
of May, 2018 (the “Effective Date”), by and among M&R Development, Inc., an Iowa corporation, having a
principal place of business at 61 Smith Circle, Algona Iowa, 50511 (“M&R”), Clean Power Technology LLC,
an Iowa limited liability company, having a principal place of business at 61 Smith Circle, Algona, Iowa, 50511 (“CPT”),
(M&R and CPT, the “Seller”) and American Power Group, Inc., an Iowa corporation, with a principal place
of business at 2503 E. Poplar Street, Algona, Iowa 50511 (the “Buyer”), each referred to herein individually
as a “Party” and collectively as the “Parties”.

 

RECITALS

 

Seller,
the owner of certain Patent Rights (defined herein), and DF Technology (defined herein) necessary to build, maintain, and operate
the Systems (defined herein), including Intellectual Property (defined herein) pertaining to the Tier 1 through Tier 4 emission
test program and all other emissions tests results and approvals, together with the Patent Rights and DF Technology, collectively
encompassing and defined herein as the Intellectual Property Rights, and for consideration described herein, desires to sell the
Intellectual Property Rights to Buyer for use in connection with the commercial development, manufacture, distribution and sale
of the Systems, upon conditions specified herein.

 

Buyer,
having the capability to commercially develop, manufacture, distribute, and sell Systems as contemplated herein, desires to purchase
the Intellectual Property Rights, and, upon the occurrence of certain conditions specified herein, will purchase such Intellectual
Property Rights from Seller.

 

For
good and valuable consideration, the sufficiency of which is hereby acknowledged, the Parties hereby agree as follows:

 

1.
Definitions.

 

1.1
“DF Technology” shall mean dual fuel technology.

 

1.2
“Intellectual Property” shall mean any intellectual or proprietary rights in any jurisdiction in the world
under any patents (including any patent application, registration, extension, reexamination, reissue, continuation, continuation-in-part
or renewal patents), copyrights (including any registration thereof), mask work rights, Trade Secrets, trademarks (including any
applications, registrations and the goodwill associated therewith), trade dress, droit moral, or foreign equivalents of the foregoing,
and any other proprietary rights of any nature.

 

1.3
“Intellectual Property Rights” shall collectively mean the Patent Rights, DF Technology, and Intellectual Property.

 

    	 	1	 

    	 

    

 

1.4
“Patent Rights” shall mean: (i) the U.S. Patent number 6,003,478, issued 12/21/1999; (ii) the U.S. Patent application
13/207,222 filed on 08/10/2011; (iii) the U.S. Patent Application 62/387,352 filed on December 23, 2015; (iv) the U.S. Patent
application 15/386,924 filed on 12/21/2016; and (v) the U.S. Patent application 62/637,902, filed on 03/02/2018; and (vi) the
equivalent of any of the foregoing patent or patent applications including any divisional, continuation and continuation-in-part
thereof, or any foreign patent application or Letters Patent or the equivalent thereof issuing thereon or reissue, reexamination
or extension thereof, as may be further described in Appendix A. The term “Patent Rights” shall also include
any patent owned or otherwise controlled by Seller involving or relating to hydrogen, methane, and/or other alternative fuels,
which patent issues or for which application is filed during the Escrow Period (as hereinafter defined), it being understood that
any such patent is included in, and covered by, the Right to Use (as hereinafter defined) granted to Buyer herein.

 

1.5
“Stationary DF System” shall mean the stationary dual fuel conversion System which would infringe at least
one of the Patent Rights pending or allowed as of the time the System is manufactured.

 

1.6
“Sublicensee” shall mean any sublicensee of rights granted to Buyer in accordance with Section 2 to manufacture,
use, import, sell or otherwise exploit the Vehicular and Stationary DF Systems.

 

1.7
“System” or “Systems” shall mean the Stationary DF System and Vehicular DF System.

 

1.8
“Technological Information” shall mean Trade Secrets and other information pertaining to the invention(s) claimed
in the Patent Rights that is created and owned by Seller and is not obligated to any third party and which Seller knows and reasonably
believes is necessary in order for Buyer to utilize the rights granted hereunder, as further described in Appendix B.

 

1.9
“Technology Transfer Date” shall mean the date on which Buyer has paid Seller the entire Cash Payment.

 

1.10
“Territory” shall mean worldwide.

 

1.11
“Trade Secret(s)” means any information including formulas, patterns, compilations, reports, records, research
data, programs, devices, methods, know-how, negative know-how, techniques, raw material properties and specifications, formulations,
discoveries, ideas, concepts, designs, technical information, drawings, data, customer and supplier lists, information regarding
customers (including, without limitation, customer preferences), buyers and suppliers, distribution techniques, production processes,
research and development projects, marketing plans, financial information, investment information, legal, business and financial
structure and operations, and other confidential and proprietary information or processes which: (a) derives independent economic
value, actual or potential, from not being generally known to the public or to other persons who can obtain economic value from
its disclosure or use; and (b) is the subject of efforts that are reasonable under the circumstances to maintain its secrecy.

 

    	 	2	 

    	 

    

 

1.12
“Vehicular DF System” shall mean the vehicular dual fuel conversion System which would infringe at least one
of the Patent Rights pending or allowed as of the time the System is manufactured.

 

2.
Right to Use Intellectual Property Rights During Escrow Period. Subject to the terms and conditions of this Agreement, Seller
hereby grants to Purchaser a sole and exclusive, worldwide, perpetual, irrevocable right and license, with the unlimited right
to sublicense, to make, use, copy, sell and offer to sell, import, export, manufacture, distribute, operate, lease, supply, market,
advertise, practice in any manner, and/or otherwise commercialize the Intellectual Property Rights, in any manner and for any
purpose (the “Right to Use”) during the Escrow Period (defined herein). For avoidance of doubt, the Right to
Use during the Escrow Period (and all sublicenses granted thereunder, if any) automatically terminates if any installment payment
under this Agreement is not made in accordance with the terms herein and is not paid during the cure period set forth in Section
9.1 hereof.

 

3.
Installment Terms. Seller hereby grants to Buyer the exclusive right to purchase and, contingent upon payment of the Purchase
Price (defined herein), Seller does hereby sell to Buyer (without additional consideration), the Intellectual Property Rights
on contract for a total of $6,030,000 (the “Purchase Price”), payable pursuant to the following installment
terms:

 

(a)
$1,030,000 which is the agreed upon outstanding balance of the Amended and Restated December 1, 2009 Promissory Note between M&R
and Buyer, and due to Buyer shall be deemed fully paid as of the earlier of (i) the Technology Transfer Date and (ii) the termination
of this Agreement due to an event of default by Buyer, and shall be deemed fully satisfied and released; and

 

(b)
$5,000,000 (the “Cash Payment”) to be paid as follows: (i) $100,000 to Seller on the date of execution of this
Agreement; and (ii) the remainder payable to Seller over five (5) years pursuant to subsections (i) through (vii) below. During
each of the first four (4) years Buyer shall pay the greater of A) at least two percent (2%) of the Purchase Price in the
aggregate amount of $120,600.00 each year (the “Minimum Payment”) or B) the per System payments as follows:

 

	 	(i)	Year
    1 and 2: $1,000 per Vehicular DF System sold and $3,000 per Stationary DF System sold by Buyer or any Sublicensee. The foregoing
    System payments would apply to year 3 and year 4 following the effective date of the Purchase Agreement, subject to the Buyer
    meeting the minimum thresholds set forth in subsections (ii) and (iii) below.
	 	 	 
	 	(ii)	If
    cumulative payments to Seller at end of year 2 are less than $625,000, then during year 3 payments shall be $2,000 per Vehicular
    DF System sold and $6,000 per Stationary DF System sold by Buyer or any Sublicensee.

 

    	 	3	 

    	 

    

 

	 	(iii)	If
    cumulative payments to Seller at end of year 2 are at least $625,000 but less than $1,250,000, then during year 3 payments
    shall be $1,500 per Vehicular DF System sold and $4,500 per Stationary DF System sold by Buyer or any Sublicensee.
	 	 	 
	 	(iv)	If
    cumulative payments to Seller at end of year 3 are less than $2,750,000, then payments shall be $3,000 per Vehicular DF System
    sold and $9,000 per Stationary DF System sold by Buyer or any Sublicensee. 
	 	 	 
	 	(v)	In
    the fifth year, if cumulative payments to Seller toward the Cash Payment at end of year 4 are less than $5,000,000 then Buyer
    will pay the remaining balance in four, equal, quarterly installments during year 5. 
	 	 	 
	 	(vi)	Notwithstanding
    anything contained herein to the contrary, and pursuant to Section 11 below, if the V6000 Vehicular and S6000 Stationary DF
    Systems do not perform per the performance specifications attached hereto as Appendix C, the Cash Payment will be reduced
    to $4,500,000, paid in accordance with the terms herein.
	 	 	 
	 	(vii)	Notwithstanding
    anything contained herein to the contrary, during the Escrow Period, Buyer may at any time pre-pay the remaining balance of
    the Cash Payment to Seller without the prior written consent of Seller. If Buyer pre-pays the Cash Payment on or before the
    first anniversary of the Effective Date, then the Cash Payment amount shall be discounted by ten percent (10%). If Buyer pre-pays
    the Cash Payment after the first anniversary of the Effective Date but before the second anniversary of the Effective Date,
    then the Cash Payment amount shall be discounted by five percent (5%).

 

4.
Payment Due Dates. Buyer shall maintain adequate records of sales in accordance with industry standards. Each quarter during
the Escrow Period, Buyer shall submit to Seller within thirty (30) days of quarter end a report of sales of Vehicular DF Systems
and Stationary DF Systems sold during the previous calendar quarter with payment due forty-five days (45) days after the end of
the quarter.

 

5.
Security, Intellectual Property Maintenance, Prosecution and Funding. As security for the payment of the Purchase Price, until
the Purchase Price has been paid in full in accordance with Section 3 herein, fully executed assignment documents for transferring
all right, title, and interest in the Technology Rights, inclusive of the Patent Rights and DF Technology, in the form attached
hereto as Appendix E (the “Assignment Agreement”) will be held in escrow by Seller’s counsel,
Brown Winick Law Firm, 666 Grand Avenue, Suite 2000, Des Moines, Iowa 50309 (the “Escrow Period”). During years
1-5 of the Escrow Period, Seller will retain all prosecution rights and responsibilities relative to the Patent Rights and any
new developments or improvements thereto that may be developed by or on behalf of Seller. Prosecution will be conducted by the
legal representatives of Seller’s choice, at Seller’s direction; provided, however, that during the Escrow Period
Seller (or its legal representative) shall: (i) copy Buyer on patent prosecution documents that are received from or filed with
the United States Patent and Trademark Office and foreign equivalent, as applicable; (ii) provide Buyer with copies of draft submissions
to the USPTO prior to filing of the same; and (iii) give good faith consideration to the comments and requests of Buyer or its
patent counsel. U.S. patent prosecution and maintenance fees will be shared equally by the parties. Any new international rights
Buyer wishes to pursue will be funded solely by Buyer, and prosecuted by Seller. Provided Buyer has fully complied with Section
3 herein, on the last day of the Escrow Period, the Patent Rights will be released to the Buyer.

 

    	 	4	 

    	 

    

 

6.
Transfer of Intellectual Property Rights. The Seller hereby assigns, irrevocably and unconditionally, to the fullest extent
permitted by law under any interpretation of the relationship between the Parties, all of its right, title and interest in and
to the Technology Rights, such assignment to be effective as of 5 p.m. Iowa time on the Technology Transfer Date, and subject
only to the prior receipt by the Seller of the Purchase Price on or before the Technology Transfer Date. Promptly upon request
by the Buyer and at the Buyer’s expense, at any time on or after the Technology Transfer Date, the Assignment Agreement
will be released by the escrow agent, and Seller shall execute and deliver all bills of sale, patent applications, copyright registrations,
assignments, agreements and other instruments and take such reasonable actions as the Buyer may deem helpful to fully vest good
and marketable title to the Technology Rights in the Buyer, free and clear of all liens, encumbrances and other restrictions of
any sort, or to evidence such vesting. If and only if the Seller has received the Purchase Price on or before the Technology Transfer
Date, and the Buyer is unable, after reasonable effort, to secure the Seller’s signature on any such bill of sale, application,
registration, assignment, agreement or other instrument, the Seller hereby irrevocably designates and appoints the Buyer and its
duly authorized representatives as the Seller’s agent and attorney-in-fact to execute and/or file any such bill of sale,
application, registration, assignment, agreement or other instrument and to do all other lawfully permitted acts to vest good
and marketable title to the Technology Rights in the Buyer, free and clear of all liens, encumbrances and other restrictions of
any sort, and to further the prosecution and issuance of letters patent, copyright registration and other forms of intellectual
property protection with the same legal force and effect as if executed by the Seller.

 

7.
Sublicenses. Buyer is granted the right to grant sublicenses. For any Sublicenses granted by Buyer before the Cash Payment
is fully paid: (i) to the extent that such sublicense has an upfront fee, Buyer shall remit to Seller thirty-five percent (35%)
of such upfront fee paid to Buyer during the Escrow Period which payment shall be applied towards the Cash Payment and any annual
minimums; (ii) to the extent that such Sublicensee pays royalties or other fees to Buyer during the Escrow Period based on the
number of Systems sold, the payment structure under Section 3(b) shall apply and any such payments shall be applied towards the
Cash Payment and any Minimum Payment required under Section 3(b), and the Sublicensee shall be required to provide reports and
maintain records on the same schedule as Buyer hereunder; and (iii) to the extent that such Sublicensee pays royalties or other
fees to Buyer during the Escrow Period on a basis other than the number of Systems sold, Buyer shall remit to Seller thirty-five
percent (35%) of such royalties and fees received which payment shall be applied towards the Cash Payment and any annual minimums.

 

    	 	5	 

    	 

    

 

8.
Additional Rights and Obligations.

 

8.1
No Transfers by Seller Prior to Technology Transfer Date. The Seller agrees that, at all times prior to the Technology
Transfer Date or prior to Default by Buyer for which Seller terminates this Agreement in accordance with section 9 of this Agreement,
whichever is first, neither Seller nor any of its stockholders, directors, officers or other representatives shall, directly or
indirectly: (i) initiate, solicit, encourage or otherwise facilitate (including by way of furnishing information) any inquiries
or the making of any proposal or offer with respect to any sale, license, transfer or other disposition involving (x) the Patent
Rights, any Technological Information, Intellectual Property Rights or any other proprietary technology or information owned by
Seller and which relates in any way to the Patent Rights, Intellectual Property, or the Technological Information (all of the
foregoing, whether created prior to the Effective Date of this Agreement or thereafter, the “Technology Rights”),
or (y) a majority of the outstanding capital stock of the Seller; or (ii) enter into any agreement, letter of intent or similar
contract or commitment contemplating or otherwise relating to any such sale, license, transfer or other disposition of the Technology
Rights or a majority of such outstanding capital stock.

 

8.2
Negative Pledge. Without limiting the generality of the foregoing, Seller shall not sell, transfer, assign, license, in
whole or in part, mortgage, pledge, lease, grant a security interest in, or encumber any of the Technology Rights, including,
without limitation, the following: (a) any and all Trade Secrets, and any and all Intellectual Property Rights now or hereafter
existing, created, acquired or held; (b) all Patent Rights, patents, patent applications and like protections, including, without
limitation, improvements, divisions, continuations, renewals, reissues, extensions and continuations-in-part of the same; (c)
any and all claims for damages by way of past, present and future infringements of any of the rights included above, with the
right, but not the obligation, to sue for and collect such damages for said use or infringement of the intellectual property rights
identified above; and (d) any and all licenses or rights to use any of the Technology Rights, including but not limited to the
patents and patent applications in Appendix A.

 

8.3
Specific Performance. Each Party recognizes that irreparable injury, which could not be adequately compensated by money
damages, may result to the other Party if such Party breaches any of the promises it has made in this Section 8, and that the
other Party is relying on those promises. Each Party therefore agrees that in the event of its breach or threatened breach of
any of those promises, the other Party shall be entitled to injunctive or other equitable relief restraining such breach or threatened
breach, without having to prove (beyond entering this Agreement into evidence) either the fact of irreparable injury or the inadequacy
of money damages. Such relief shall be without prejudice to any other remedy to which either Party may be entitled.

 

    	 	6	 

    	 

    

 

9.
Default.

 

9.1
Events of Default. Unless Buyer has otherwise cured such default as set forth in this Section 9.1, the following shall
each constitute an event of default pursuant to this Agreement: (i) if Buyer fails to pay any installment; (ii) during any of
years 1-4 of the Escrow Period, Buyer fails to pay the Minimum Payment pursuant to Section 3, or (iii) during year 5 of the Escrow
Period, Buyer fails to make any installment payment pursuant to Section 3. Buyer shall have thirty (30) days to cure an event
of default upon receipt of written notice of such event of default from Seller, except that such option to cure shall not
apply if there have been two prior notices of default in the prior 24 months.

 

9.2
Termination Upon Default. Upon the occurrence of an event of default, Seller may terminate this Agreement by delivering
written notice to Buyer specifying such event of default and the date of termination (which may be effective immediately or such
later date determined in Seller’s discretion).

 

9.3
Effect of Termination. Upon termination, Buyer shall have no further rights under this Agreement, shall forfeit any payments
previously made pursuant to this Agreement, the Right to Use granted pursuant to Section 2 shall terminate, and Buyer shall have
no further right, title, or interest of any sort in the Intellectual Property Rights. Upon termination, Seller shall have the
right to sell the Intellectual Property Rights to any other party, any non-compete or other similar obligations made by Seller
(or its affiliates) to Buyer shall terminate, and Seller shall owe no further obligation to Buyer.

 

10.
Assignment. Upon the date that the Purchase Price has been fully paid to Seller, escrow agent, Brown Winick Law Firm, will
release to Buyer the executed assignment documents assigning all of Seller’s rights, title and interest to the Patent Rights
and DF Technology to Buyer.

 

11.
Completion of Technical Development of S6000 Stationary DF System and V6000 Vehicular DF System.

 

11.1
Buyer Assumption of Development Efforts. Buyer will fund up to a maximum of $1,060,000 for the development of the
V6000 Vehicular DF and the S6000 Stationary DF Systems, in accordance with the budget set forth on Appendix D attached
hereto. Seller shall obtain the prior written approval of Buyer for all expenditures associated such development and shall provide
copies to Buyer of all invoices associated with such expenditures. Seller will be responsible for any development costs that exceed
$1,060,000 pursuant to this Section 11.1.

 

11.2
Seller’s Full Time and Attention. As provided in the agreements described in Section 12, Mike Schiltz shall devote
substantially all of his working time and attention and shall exert his commercially reasonable best efforts, knowledge, skill
and energy to the development of the V6000 Vehicular Dual Fuel Product and the S6000 Stationary Dual Fuel Product during the Escrow
Period.

 

12.
Consulting, Staffing, and Management Agreements. Buyer wishes to retain certain services from Mike Schiltz to which M&R,
and/or Clean Fuel Solutions, CPT and/or their respective successors and assigns will not object. Terms for such service to be
determined by separate agreement between those parties and evidenced by an employment agreement to be executed by Mike Schiltz
upon execution of this Agreement.

 

    	 	7	 

    	 

    

 

13.
Non-compete. Upon execution of this Agreement, a non-competition agreement shall be executed by Seller and Michael Schiltz.
The non-competition agreement shall remain in full force and effect subject to any event of default which is not cured pursuant
to Section 9.1. Upon payment of the $100,000 noted in Section 3(b)(i) the Sellers will cease all dual fuel sales and marketing
efforts. The Parties agree that any firm purchase orders accepted by Seller before the Effective Date will be processed by Seller,
with proceeds retained by Seller and that on or after the Effective Date any quoted or pending dual fuel system orders shall be
assigned to the Buyer for fulfillment.

 

14.
Inventory. Buyer agrees to purchase, at documented third-party cost, any and all dual fuel system related inventory held by
Seller at closing.

 

15.
Confidentiality. Subject to the exclusions and limitations set forth below, all terms between the Parties are confidential.
Neither Party shall disclose to any third party any of the other Party’s confidential information, inclusive of the confidential
Technological Information, unless required by law, government agency, court order, civil investigative demands, or needed by a
Party to assert claims under this Letter or defend against claims made against the Party of such disclosure after the disclosure.
Notwithstanding, either Party may disclose any such information that: (i) becomes generally available to the public, provided
it is not the result of disclosure in violation of this Agreement; (ii) was in the possession of the recipient at the time of
disclosure to the recipient; (iii) was lawfully received by a recipient from a third party without any breach of a duty of confidentiality
by a Party to this Agreement; or (iv) was developed independently by a recipient without reference to the confidential information
under this Agreement and not at the direction of a Party to this Agreement. The Parties further acknowledge that APG is a public
reporting company and may be required to disclose certain information regarding this Agreement and this transaction under applicable
rules and regulations of the Securities and Exchange Commission but that APG agrees to employ competent consultants to prevent
unnecessary disclosures. This Section 15 shall be binding upon the Parties and inure to the benefit of their respective successors
and assigns.

 

16.
Representations and Warranties.

 

16.1
Each Party represents and warrants to the other Party as follows:

 

	 	(a)	Organization.
    Such Party is duly organized, validly existing and in good standing under the laws of the jurisdiction in which it is organized.
	 	 	 
	 	(b)	Authorization
    and Enforcement of Obligations. Such Party: (i) has the requisite power and authority and the legal right to enter into
    this Agreement and to perform its obligations hereunder and (ii) has taken all requisite action on its part to authorize the
    execution and delivery of this Agreement and the performance of its obligations hereunder. This Agreement has been duly executed
    and delivered on behalf of such Party, and constitutes a legal, valid, binding obligation, enforceable against such Party
    in accordance with its terms.

 

    	 	8	 

    	 

    

 

	 	(c)	Consents.
    All necessary consents, approvals and authorizations of all governmental authorities and other persons or entities required
    to be obtained by such Party in connection with this Agreement have been obtained.
	 	 	 
	 	(d)	No
    Conflict. The execution and delivery of this Agreement and the performance of such Party’s obligations hereunder:
    (i) do not conflict with or violate any requirement of applicable laws, regulations or orders of governmental bodies, (ii)
    do not conflict with, or constitute a default under, any contractual obligation of such Party, and (iii) do not conflict with
    or result in a breach of any provision of the organizational documents of such Party.

 

16.2
Seller warrants to Buyer that:

 

	 	(a)	Litigation.
    There are no actions, suits, proceedings or investigations pending or threatened against Seller before any court, government
    or regulatory body, agency, commission, official or any arbitrator that is reasonably expected to have a material adverse
    effect on Seller’s ability to consummate the transactions contemplated hereby.
	 	 	 
	 	(b)	Intellectual
    Property. As of the Effective Date Seller: (i) owns all Patent Rights, Technical Information, and Intellectual Property
    Rights used by Seller in connection with the performance of its obligations hereunder; (ii) has received no notice of infringement
    or misappropriation of any alleged rights asserted by any other person or entity in relation to any Patent Rights, Technical
    Information, or Intellectual Property Rights to be used by Buyer in connection with the performance of its obligations hereunder;
    (iii) is not aware of any patent, Trade Secret or other right of any other person or entity that could materially adversely
    affect Seller’s ability to consummate the transactions contemplated hereby; and (iv) is not aware of any third party
    that is infringing or otherwise misappropriating any of the Patent Rights, Technical Information or Intellectual Property
    Rights. Seller agrees to immediately notify Buyer in writing in the event that Seller receives a notice of the type referred
    to in clause (ii) above or becomes aware of any patent, Trade Secret or other right of the nature referred to in clause (iii)
    above.

 

17.
Indemnification. 

 

17.1
Seller shall indemnify and hold harmless Buyer and its Affiliates and their respective directors, officers, employees and agents,
and their respective successors, heirs and assigns from and against all losses, liabilities, damages and expenses, including reasonable
attorneys’ fees and costs, to the extent resulting from any claims, demands, actions or other proceedings by any third party
arising out of (a) the material breach of any representation, warranty or covenant by Seller under this Agreement, or (b) the
gross negligence or intentional misconduct of Seller or its Affiliates.

 

    	 	9	 

    	 

    

 

17.2
Buyer shall indemnify, defend and hold harmless Seller and its Affiliates and their respective directors, officers, employees,
and agents and their respective successors, heirs and assigns, from and against any liability, damage, loss or expense (including
reasonable attorneys’ fees and expenses of litigation) incurred by or imposed upon such indemnitees or any one of them in
connection with any claims, suits, actions, demands or judgments by any third party arising out of any theory of product liability
(including, but not limited to, actions in the form of contract, tort, warranty, or strict liability) concerning any System made,
used, Sold, or performed pursuant to any Patent Rights or license granted under this Agreement, except to the extent arising as
a result of Seller’s negligent acts or omissions.

 

17.3
Each Party (the “Indemnifying Party”) agrees, at its own expense, to provide attorneys reasonably acceptable
to the other Party (the “Indemnified Party”) to defend against any actions brought or filed against the Indemnified
Party with respect to the subject of indemnity contained herein, whether or not such actions are rightfully brought; provided,
however, that any Indemnified Party shall have the right to retain its own counsel, at the expense of the Indemnifying Party,
if representation of such Indemnified Party by counsel retained by the Indemnifying Party would be inappropriate because of conflict
of interests of such Indemnified Party and any other party represented by such counsel. The Indemnifying Party agrees to keep
the Indemnified Party informed of the progress in the defense and disposition of such claim and to consult with the Indemnified
Party prior to any proposed settlement.

 

17.4
This Section 17 shall survive the termination of this Agreement.

 

18.
Disclaimer of Warranties; Limitation of Liability.

 

18.1
No Warranties. EXCEPT AS SET FORTH IN THIS AGREEMENT, SELLER MAKES NO REPRESENTATIONS OR WARRANTIES OF ANY KIND, EXPRESS
OR IMPLIED, CONCERNING THE PATENT RIGHTS ASSIGNED AND LICENSED HEREUNDER, INCLUDING, WITHOUT LIMITATION, WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE, NONINFRINGEMENT, VALIDITY OF PATENT RIGHTS CLAIMS, WHETHER ISSUED OR PENDING, AND THE ABSENCE
OF LATENT OR OTHER DEFECTS, WHETHER OR NOT DISCOVERABLE, AND HEREBY DISCLAIMS THE SAME. SPECIFICALLY, AND NOT TO LIMIT THE FOREGOING,
EXCEPT AS SET FORTH IN THIS AGREEMENT, SELLER MAKES NO WARRANTY OR REPRESENTATION (i) REGARDING THE VALIDITY OR SCOPE OF ANY OF
THE CLAIM(S), WHETHER ISSUED OR PENDING, OF ANY OF THE PATENT RIGHTS, AND (ii) THAT THE EXPLOITATION OF THE PATENT RIGHTS OR ANY
SYSTEM WILL NOT INFRINGE ANY PATENTS OR OTHER INTELLECTUAL PROPERTY RIGHTS OF ANY THIRD PARTY.

 

18.2
Limitation of Liability. WITH THE EXCEPTION OF DAMAGES ARISING AS A RESULT OF A PARTY’S BREACH OF SECTION 15 OR AS
A RESULT OF A PARTY’S GROSS NEGLIGENCE OR INTENTIONAL MISCONDUCT, IN NO EVENT SHALL EITHER PARTY OR ANY OF ITS AFFILIATES
OR ANY OF THEIR RESPECTIVE DIRECTORS, OFFICERS, EMPLOYEES AND AGENTS BE LIABLE TO THE OTHER PARTY OR ANY OF ITS AFFILIATES OR
ANY OF THEIR RESPECTIVE DIRECTORS, OFFICERS, EMPLOYEES AND AGENTS FOR INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES OF
ANY KIND ARISING IN ANY WAY OUT OF THIS AGREEMENT OR THE RIGHT OF USE GRANTED HEREUNDER, HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
INCLUDING WITHOUT LIMITATION ECONOMIC DAMAGES OR INJURY TO PROPERTY OR LOST PROFITS, REGARDLESS OF WHETHER EITHER PARTY SHALL
BE ADVISED, SHALL HAVE OTHER REASON TO KNOW, OR IN FACT SHALL KNOW OF THE POSSIBILITY OF THE FOREGOING.

 

    	 	10	 

    	 

    

 

19.
Miscellaneous.

 

19.1
Entire Agreement. This Agreement (including the Appendices attached hereto) constitutes the entire understanding between
the Parties with respect to the subject matter hereof, and any other written or oral agreement relating to the subject matter
hereof (including, without limitation, that certain Prior License Agreement (defined herein), is hereby canceled and terminated.

 

19.2
Notices. Any notices, reports, waivers, correspondences or other communications required under or pertaining to this Agreement
shall be in writing and shall be delivered by hand, or sent by a reputable overnight mail service (e.g., Federal Express), or
by first class mail (certified or registered), or by facsimile confirmed by one of the foregoing methods, to the other party.
Notices will be deemed effective (a) three (3) working days after deposit, postage prepaid, if mailed, (b) the next day if sent
by overnight mail, or (c) the same day if sent by facsimile and confirmed as set forth above or delivered by hand. Unless changed
in writing in accordance with this Section 19.2, the notice address for each of the Parties shall be as follows:

 

If
to Seller:

 

M&R
Development, Inc.

61
Smith Circle

Algona
Iowa, 50511

Attention:
____________________

Telephone:
___________________

 

If
to Buyer:

 

American
Power Group, Inc.

2503
E. Poplar Street

Algona,
Iowa 50511

Attn:
CEO

Telephone:
(515) 395-1360

 

19.3
Amendment; Waiver. This Agreement may be amended and any of its terms or conditions may be waived only by a written instrument
executed by an authorized signatory of the Parties or, in the case of a waiver, by the Party waiving compliance. The failure of
either Party at any time or times to require performance of any provision hereof shall in no manner affect its rights at a later
time to enforce the same. No waiver by either Party of any condition or term shall be deemed as a further or continuing waiver
of such condition or term or of any other condition or term.

 

    	 	11	 

    	 

    

 

19.4
Binding Effect. This Agreement shall be binding upon and inure to the benefit of and be enforceable by the Parties hereto
and their respective permitted successors and assigns.

 

19.5
Assignment. Neither this Agreement nor any right or obligation hereunder may be assigned or delegated, in whole or in part,
by Buyer without the prior express written consent of the Seller, with such consent not to be unreasonably withheld, delayed,
or conditioned, provided, however, that Buyer may assign its rights and obligations hereunder to Dual Fuel, LLC, an Arizona limited
liability company with a principal place of business of 7030 W. Oakland Street, Suite 103, Chandler, Arizona 85226, at any time
without the consent of Seller. Any permitted assignee shall assume all obligations of its assignor under this Agreement. Any purported
assignment in violation of this Section 19.5 shall be void.

 

19.6
Force Majeure. Neither Party shall be responsible for delays resulting from causes beyond the reasonable control of such
Party, including without limitation fire, explosion, flood, war, sabotage, strike or riot, provided that the nonperforming Party
uses commercially reasonable efforts to avoid or remove such causes of nonperformance and continues performance under this Agreement
with reasonable dispatch whenever such causes are removed.

 

19.7
Use of Name; Press Release.

 

(a)
Neither Party shall use the name of the other Party or of any director, officer, employee, or agent of the other Party or any
adaptation thereof in any advertising, promotional or sales literature, publicity without the prior written approval of the Party.

 

(b)
The Parties have agreed upon a joint disclosure of the nature, general terms and other agreed aspects of the Agreement in a joint
press release in the form mutually agreed by the parties. The wording of any other press release must be agreed by both parties
in advance of its release. Notwithstanding the foregoing, each Party shall have the right to issue press releases, immediately
and without prior consent of the other Party, that disclose any information required by the rules and regulations of the United
States Securities and Exchange Commission or similar federal, state or foreign authorities, as determined in good faith by independent
legal counsel to the disclosing Party; provided, that the disclosing Party shall notify the other Party of any such disclosure
in advance and the disclosing Party shall seek confidential treatment of any information that the other Party reasonably requests
be maintained as confidential.

 

19.8
Governing Law/Dispute Resolution.

 

(a)
Governing Law. This Agreement shall be governed by and construed and interpreted in accordance with the laws of the State
of Iowa, excluding with respect to conflict of laws and each party irrevocably (i) agrees that any action or proceeding arising
from or relating to this Agreement may be brought only in the courts of Iowa or the U.S. District Court located in Des Moines,
Iowa, (ii) consents, for itself and in respect of its property, to the jurisdiction of each such court in any such action or proceeding,
and (iii) waives any objection to proceeding in such venue, including that the forum is inconvenient

 

    	 	12	 

    	 

    

 

(b)
Dispute Resolution. In the event of any dispute or disagreement hereunder, each Party agrees that it will appoint a representative,
with authority to bind it to a resolution of the dispute, who will participate in face-to-face negotiations to attempt to resolve
the dispute. If the Parties cannot resolve any such dispute by mutual agreement within twenty (20) days of either Party notifying
the other of such dispute, either Party may require the matter to be subject to mediation. The Parties agree that they will participate
in good faith in the foregoing negotiations and mediation (including appointment of a mediator), which sessions shall take place
at the offices of the Party receiving the notice of dispute, unless the Parties mutually agree upon another location. The Parties
will share the cost of the mediation, except each Party shall bear its own costs.

 

If
the dispute is not resolved by mediation within thirty (30) days after mediation is elected, then either Party may commence a
civil action in any court of competent jurisdiction. No litigation shall be commenced until at least sixty (60) days after receipt
of notice invoking this dispute resolution clause. Nothing herein shall preclude the Parties from agreeing to submit any dispute
to arbitration under the Commercial Rules and auspices of the American Arbitration Association or otherwise, or preclude a Party
from attempting to seek injunctive or provisional relief to enforce this clause or to protect its rights pending settlement.

 

If
the parties elect arbitration, then it shall be held in Des Moines or Iowa City, Iowa, as the case may be, under the Commercial
Rules and auspices of the American Arbitration Association, by a single arbitrator selected in accordance with those rules. The
costs of the arbitration shall be shared by the Parties, though each shall bear its own costs. The arbitrator(s) shall have no
authority to award punitive damages. Notwithstanding the foregoing, the Parties reserve the right to obtain injunctive relief
to compel arbitration, enforce an arbitration award, prevent disclosure of trade secrets, and otherwise protect its intellectual
property from infringement.

 

19.9
Severability. If any provision(s) of this Agreement are or become invalid, are ruled illegal by any court of competent
jurisdiction or are deemed unenforceable under then current applicable law from time to time in effect during the Escrow Period
it is the intention of the Parties that the remainder of this Agreement shall not be effected thereby. It is further the intention
of the Parties that in lieu of each such provision which is invalid, illegal or unenforceable, there be substituted or added as
part of this Agreement a provision which shall be as similar as possible in economic and business objectives as intended by the
parties to such invalid, illegal or enforceable provision, but shall be valid, legal and enforceable.

 

19.10
Survival. In addition to any specific survival references in this Agreement, Sections 1, 3, 15, 16, 17, 18, and 19 shall
survive termination or expiration of this Agreement.

 

    	 	13	 

    	 

    

 

19.11
Interpretation. The Parties hereto are sophisticated, have had the opportunity to consult legal counsel with respect to
this transaction and hereby waive any presumptions of any statutory or common law rule relating to the interpretation of contracts
against the drafter.

 

19.12
Headings. All headings are for convenience only and shall not affect the meaning of any provision of this Agreement.

 

20.
Confirmation of Termination of Prior Agreement, Mutual Release. The Buyer and Seller, on behalf of themselves and each of
their respective affiliates,

 

(a)
each hereby acknowledge and agree that the Exclusive Patent License Agreement dated June 17, 2009, as amended between M&R
and American Power Group, Inc. (the “Prior License Agreement”) is agreed to be terminated and of no further
force and effect;

 

(b)
each hereby irrevocably and unconditionally release and forever discharge the other Parties and their respective investors, owners,
parent companies, shareholders, members, partners, directors, officers, managers, employees, agents, representatives, successors,
assigns or any person acting on behalf of each of the foregoing, from and against any and all actions, causes of action, suits,
debts, charges, complaints, claims, liabilities, obligations, judgments, damages and expenses, whether known or unknown, that
such and its respective investors, owners, parent companies, shareholders, members, partners, directors, officers, managers, employees,
agents, representatives, successors, assigns or any person acting on behalf of each of the foregoing, has now, has ever had, or
may hereafter have, with respect to the Prior License Agreement that could have been asserted on or before the Effective Date.

 

[Remainder
of page intentionally left blank.]

 

    	 	14	 

    	 

    

 

IN
WITNESS WHEREOF, the Parties have caused this Agreement to be executed by their duly authorized representatives as of the Effective
Date first written above.

 

	 	SELLER:
	 	 	 
	 	M&R
    DEVELOPMENT, INC.
	 	 	 
	 	By:	/s/
    Michael Schiltz
	 	Name:	Michael Schiltz
	 	Title:	President/Owner
	 	 	 
	 	CLEAN
    POWER TECHNOLOGY, LLC
	 	 	 
	 	By:	/s/
    Michael Schiltz
	 	Name:	Michael Schiltz
	 	Title:	President/Owner
	 	 	 
	 	PURCHASER:
	 	 	 
	 	AMERICAN
    POWER GROUP, INC.
	 	 	 
	 	By:	/s/
    Charles E. Coppa
	 	Name:	Charles E. Coppa
	 	Title:	CEO

 

    	 	15

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