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Exhibit 4.2  


        ADVANCED BIOENERGY, LLC  


 SUBSCRIPTION AGREEMENT  


Limited Liability Company Membership Units 


$10.00 per Unit  


 Minimum Investment of 2,500 Units ($25,000)

100 Unit Increments Thereafter ($1,000)  


        The undersigned subscriber, desiring to become a member of Advanced BioEnergy, LLC ("Advanced BioEnergy"), a Delaware limited liability company, with its
principal place of business at 137 N. 8th Street, Geneva, Nebraska 68361, hereby subscribes for the purchase of the membership interests of Advanced BioEnergy, and agrees to pay the
related purchase price, identified below. 


        A.    SUBSCRIBER INFORMATION. Please print your individual or entity name and address. Joint subscribers
should provide their respective names. Your name and address will be recorded exactly as printed below.  



	1.	 	Subscriber's Printed Name	 	    

	2.	 	Title, if applicable:	 	    

	3.	 	Subscriber's Address:	 	    

	 	 	    Street	 	    

	 	 	    City, State, Zip Code	 	    

	4.	 	Email Address:	 	    







        B.    NUMBER OF UNITS PURCHASED. You must purchase at least 2500 units. We presently have 634,650 units
outstanding. The maximum number of units to be sold is 6,732,500.


                                        
                        



                                        
                        
 


        C.    PURCHASE PRICE. Indicate the dollar amount of your investment (minimum investment is $25,000). 



	1. Total Purchase Price	 	=	 	2. 1st Installment	 	+	 	3. 2nd Installment
	($10.00 Per Unit multiplied by the number in box B above.)	 	 	 	(10% of the Total Purchase Price)	 	 	 	(90% of the Total Purchase Price)
	
	 	 	 	
	 	 	 	

	

	
 	

=	
 	

	
 	

+	
 	







        D.    GENERAL INSTRUCTIONS FOR SUBSCRIBERS:


        You should read the Prospectus dated [Date of Effectiveness] (the "Prospectus") in its
entirety including exhibits for a complete explanation of an investment in Advanced BioEnergy, LLC. To subscribe, you must:


        INSTRUCTIONS
IF YOU ARE SUBSCRIBING PRIOR TO THE COMPANY'S RELEASE OF FUNDS FROM ESCROW: If you are subscribing
prior to the Company's release of funds from escrow, you must follow Steps 1 through 5 below:


        1.     Complete
all information required in this Subscription Agreement, and date and sign the Subscription Agreement on page 6 and the Member Signature Page to our Amended and
Restated Operating Agreement attached to this Subscription Agreement as Exhibit A. 










        2.     Immediately
provide your personal (or business) check for the first installment of ten percent (10%) of your investment amount made payable to Geneva State Bank, escrow
agent for Advanced BioEnergy LLC. You will determine this amount in box C.2 on page 1 of this Subscription Agreement. 


        3.     Execute
the Promissory Note and Security Agreement on page 7 of this Subscription Agreement evidencing your commitment to pay the remaining ninety percent (90%) due for
the Units that is attached to this Subscription Agreement and grant Advanced BioEnergy, LLC a security interest in your Units. 



        4.     Deliver
each of the original executed documents referenced in Items 1 and 3 of these Instructions, together with your personal or business check described in Item 2 of
these Instructions to either of the following: 



	Advanced BioEnergy, LLC

137 N. 8th Street

Geneva, Nebraska 68361	 	Geneva State Bank

Attn: Aaron Schardt

896 "G" Street

Geneva, Nebraska 68361








        5.     Upon
written notice from Advanced BioEnergy, LLC stating that its sales of Units have exceeded the Minimum Offering amount of $33,662,500, you must, within twenty
(20) days secure an additional personal (or business) check for the second installment of ninety percent (90%) of your investment amount made payable to Geneva State Bank, escrow agent for
Advanced BioEnergy, LLC in satisfaction of the Promissory Note and Security Agreement. You will determine this amount in box C.3 on page 1 of this Subscription Agreement. You must deliver this check
to the same address set forth above in Instruction 4 within twenty (20) days of the date of Advanced BioEnergy's written notice. If you fail to pay the second installment pursuant to the
Promissory Note and Security Agreement, Advanced BioEnergy shall be entitled to retain your first installment and to seek other damages, as provided in the Promissory Note and Security Agreement. 


        Your
funds will be placed in Advanced BioEnergy's escrow account at Geneva State Bank. The funds will be released to Advanced BioEnergy or returned to you in accordance with the escrow
arrangements described in the Prospectus. Advanced BioEnergy may, in its sole discretion, reject or accept any part or all of your subscription. If Advanced BioEnergy rejects your subscription, your
Subscription Agreement and investment will be promptly returned to you, plus nominal interest, minus escrow fees. Advanced BioEnergy may not consider the acceptance or rejection of your subscription
until a future date near the end of this offering. 


        INSTRUCTIONS
IF YOU ARE SUBSCRIBING AFTER THE COMPANY'S RELEASE OF FUNDS FROM ESCROW: If you are subscribing after
the Company's release of funds from escrow, you must follow Steps 1 through 3 below:


        1.     Complete
all information required in this Subscription Agreement, and date and sign the Subscription Agreement on page 6 and the Member Signature Page to our Amended and
Restated Operating Agreement attached to this Subscription Agreement as Exhibit A. 



        2.     Immediately
provide your personal (or business) check for the entire amount of your investment (as determined in Box C.1 on page 1) made payable to
"Advanced BioEnergy, LLC." 


        3.     Deliver
the original executed documents referenced in Item 1 of these Instructions, together with your personal or business check described in Item 2 of these
Instructions to the following: 




Advanced
BioEnergy, LLC

137 N. 8th Street

Geneva, Nebraska 68361 





        If
you are subscribing after we have released funds from escrow and we accept your investment, your funds will be immediately at-risk as described in the Prospectus. Advanced
BioEnergy may, in its sole discretion, reject or accept any part or all of your subscription. If Advanced BioEnergy rejects your subscription, your Subscription Agreement and investment will be
returned to you promptly, plus 








nominal
interest, minus escrow fees. Advanced BioEnergy may not consider the acceptance or rejection of your subscription until a future date near the end of this offering. 



        You
may direct your questions to one of our directors listed below or to Advanced BioEnergy at 402-268-3101. 



	Director
 
	 	Phone Number

	John T. Porter	 	402-432-5247
	Troy Otte	 	402-362-3885
	John E. Lovegrove	 	402-366-4484
	Robert E. Bettger	 	402-268-3101
	Larry L. Cerny	 	402-759-1165
	Richard W. Hughes	 	402-759-4615
	Keith E. Spohn	 	402-947-8061






        If
you are a resident of, or an entity with its principal place of business in, the state of Florida, please contact only Robert E. Bettger or Troy Otte at their telephone
numbers listed above for more information as those directors have been designated as our registered issuer-dealer agents in your state. 


        If
you are a resident of, or an entity with its principal place of business in, the state of Kansas, please contact only Robert E. Bettger or Larry L. Cerny at their
telephone numbers listed above for more information as those directors have been designated as our registered issuer-dealer agents in your state. 


        In
Nebraska, we have registered the directors listed above as issuer-dealer agents selling the offering. 


        If
you are a resident of, or an entity with its principal place of business in, the state of Texas, please contact only Robert E. Bettger or Richard W. Hughes at their
telephone numbers listed above for more information as those directors have been designated as our registered issuer-dealer agents in your state. 



        E.    Additional Subscriber Information. The subscriber, named above, certifies the following under penalties of perjury: 



	1.	 	Form of Ownership. Check the appropriate box (one only) to indicate form of ownership. If the subscriber is a Custodian, Corporation, Partnership or Trust, please provide the additional
information requested.
	

 	
 	

o	
 	

Individual
	 	 	o	 	Joint Tenants with Right of Survivorship (Both signatures must appear on Page 6.)
	 	 	o	 	Corporation, Limited Liability Company or Partnership (Corporate Resolutions, Operating Agreement or Partnership Agreement must be enclosed.)
	 	 	o	 	Trust
	 	 	 	 	Trustee's
Name:                                        
   
	 	 	 	 	Trust
Date:                                        
   
	 	 	o	 	Other: Provide detailed information in the space immediately below.
	 	 	    

	 	 	    

	 	 	    

	

2.	
 	
Subscriber's Taxpayer Information. Check the appropriate box if you are a non-resident alien, a U.S. Citizen residing outside the United States or subject to backup withholding. Trusts should
provide their taxpayer identification number. Custodians should provide the minor's Social Security Number. All individual subscribers should provide their Social Security Number. Other entities should provide their taxpayer identification
number.
	

 	
 	

o	
 	

Check box if you are a non-resident alien
	 	 	o	 	Check box if you are a U.S. citizen residing outside of the United States
	 	 	o	 	Check this box if you are subject to backup withholding
	 	 	 	 	 









	

 	
 	

Subscriber's Social Security
No.                                        
                    
	 	 	Joint Subscriber's Social Security
No.                                        
                    
	 	 	Taxpayer Identification
No.                                        
                    
	

3.	
 	
Member Report Address. If you would like duplicate copies of member reports sent to an address that is different than the address identified in section A, please complete this
section.
	

 	
 	

Address:                                        
                               
	 	 	                                        
                                          
    
	

4.	
 	
State of Residence.
	 	 	State of Principal
Residence:                                       
                     
	 	 	State where driver's license is
issued:                                        
                    
	 	 	State where resident income taxes are
filed:                                        
                    
	

 	
 	

State(s) in which you have maintained your principal residence during the past three years:
	

 	
 	

A                                     b.    
                                 c.
	

5.	
 	
Suitability Standards. You cannot invest in Advanced BioEnergy unless you meet one, or more, of the following suitability tests (a or b) set forth below. Please review the suitability
tests and check the box(es) next to the following suitability test that you meet. For husbands and wives purchasing jointly, the tests below will be applied on a joint basis.
	

 	
 	

a. o (We) have annual income from whatever source of at least $45,000 and a net worth of at least $45,000, exclusive of home, furnishings and automobiles; or
	

 	
 	

b. o I (We) have a net worth of at least $100,000, exclusive of home, furnishings and automobiles.
	

6.	
 	
Subscriber's Representations and Warranties. You must read and certify your representations and warranties and sign and date this Subscription Agreement.
	

 	
 	

By signing below the subscriber represents and warrants to Advanced BioEnergy that he, she or it:
	initial

here	 	 	 	 
	
            	
 	

a.	
 	

has received a copy of Advanced BioEnergy's Prospectus dated                        and the exhibits thereto;
	            	 	b.	 	has been informed that the Units of Advanced BioEnergy are offered and sold in reliance upon a federal securities registration; Nebraska, South Dakota, Iowa, Texas, Wisconsin, Kansas and Florida securities registrations;
and exemptions from securities registrations in various other states, and understands that the Units to be issued pursuant to this subscription agreement can only be sold to a person meeting requirements of suitability;
	            	 	c.	 	has been informed that the securities purchased pursuant to this Subscription Agreement have not been registered under the securities laws of any state other than the States of Nebraska, South Dakota, Iowa, Texas,
Wisconsin, Kansas, Kentucky and Florida, and that Advanced BioEnergy is relying in part upon the representations of the undersigned Subscriber contained herein;
	            	 	d.	 	has been informed that the securities subscribed for have not been approved or disapproved by the Nebraska, South Dakota, Iowa, Texas, Wisconsin, Kansas, Kentucky and Florida Securities Departments or any other regulatory
authority, nor has any regulatory authority passed upon the accuracy or adequacy of the Prospectus;
	            	 	e.	 	intends to acquire the Units for his/her/its own account without a view to public distribution or resale and that he/she/it has no contract, undertaking, agreement or arrangement to sell or otherwise transfer or dispose
of any Units or any portion thereof to any other person;
	 	 	 	 	 










	            	 	f.	 	understands that there is no present market for Advanced BioEnergy's membership units, that the membership units will not trade on an exchange or automatic quotation system, that no such market is expected to develop in
the future and that there are significant restrictions on the transferability of the membership units;
	            	 	g.	 	has been encouraged to seek the advice of his legal counsel and accountants or other financial advisers with respect to the tax and other considerations relating to the purchase of units;
	            	 	h.	 	has received a copy of the Advanced BioEnergy Operating Agreement, dated June 30, 2005, and understands that upon closing the escrow by Advanced BioEnergy, the subscriber and the membership units will be bound by the
provisions of the Operating Agreement which contains, among other things, provisions that restrict the transfer of membership units;
	            	 	i.	 	understands that the Units are subject to substantial restrictions on transfer under state securities laws along with restrictions in the Advanced BioEnergy Operating Agreement and agrees that if the membership units or
any part thereof are sold or distributed in the future, the subscriber shall sell or distribute them pursuant to the terms of the Operating Agreement, and the requirements of the Securities Act of 1933, as amended, and applicable state securities
laws;
	            	 	j.	 	meets the suitability test marked in Item 5 above and is capable of bearing the economic risk of this investment, including the possible total loss of the investment;
	            	 	k.	 	understands that Advanced BioEnergy will place a restrictive legend on any certificate representing any unit containing substantially the following language as the same may be amended by the Directors of Advanced
BioEnergy in their sole discretion:





	 	 	 	 	 	 	THE TRANSFERABILITY OF THE UNITS REPRESENTED BY THIS CERTIFICATE IS RESTRICTED. SUCH UNITS MAY NOT BE SOLD, ASSIGNED, OR TRANSFERRED, NOR WILL ANY ASSIGNEE, VENDEE, TRANSFEREE, OR ENDORSEE THEREOF BE RECOGNIZED AS HAVING
ACQUIRED ANY SUCH UNITS FOR ANY PURPOSES, UNLESS AND TO THE EXTENT SUCH SALE, TRANSFER, HYPOTHECATION, OR ASSIGNMENT IS PERMITTED BY, AND IS COMPLETED IN STRICT ACCORDANCE WITH, APPLICABLE STATE AND FEDERAL LAW AND THE TERMS AND CONDITIONS SET FORTH
IN THE AMENDED AND RESTATED OPERATING AGREEMENT AS AGREED TO BY EACH MEMBER.
	 	 	 	 	 	 	THE SECURITIES REPRESENTED BY THIS CERTIFICATE MAY NOT BE SOLD, OFFERED FOR SALE, OR TRANSFERRED IN THE ABSENCE OF EITHER AN EFFECTIVE REGISTRATION UNDER THE SECURITIES ACT OF 1933, AS AMENDED, AND UNDER APPLICABLE STATE
SECURITIES LAWS, OR AN OPINION OF COUNSEL SATISFACTORY TO THE COMPANY THAT SUCH TRANSACTION IS EXEMPT FROM REGISTRATION UNDER THE SECURITIES ACT OF 1933, AS AMENDED, AND UNDER APPLICABLE STATE SECURITIES LAWS.





	            	 	l.	 	understands that, to enforce the above legend, Advanced BioEnergy may place a stop transfer order with its registrar and stock transfer agent (if any) covering all certificates representing any of the membership
units;
	            	 	m.	 	may not transfer or assign this subscription agreement, or any of the subscriber's interest herein;
	            	 	n.	 	has written his, her, or its correct taxpayer identification number under Item E.2 on this subscription agreement;
	 	 	 	 	 









	            	 	o.	 	is not subject to back up withholding either because he, she or it has not been notified by the Internal Revenue Service ("IRS") that he, she or it is subject to backup withholding as a result of a failure to report all
interest or dividends, or the IRS has notified him, her or it that he is no longer subject to backup withholding (Note this clause (p) should be crossed out if the backup withholding box in Item 2 is checked);
	            	 	p.	 	understands that execution of the attached Promissory Note and Security Agreement will allow Advanced BioEnergy or its assigns to pursue the obligor for payment of the amount due thereon by any legal means, including, but
not limited to, acquisition of a judgment against the obligor in the event that the subscriber defaults on that Promissory Note and Security Agreement; and
	            	 	q.	 	Acknowledges that Advanced BioEnergy may retain possession of certificates representing subscriber's Units to perfect its security interest in those Units.





Signature of Subscriber/Joint Subscriber:  



	Date:	 	    
	 	 	 	 
	

Individuals:	
 	

Entities:
	

    
 Name of Individual Subscriber (Please Print)	
 	

    
 Name of Entity (Please Print)
	

    
 Signature of Individual	
 	

    
 Print Name and Title of Officer
	

    
 Name of Joint Individual Subscriber (Please Print)	
 	

    
 Signature of Officer
	

    
 Signature of Joint Individual Subscriber	
 	

 	
 	

 





ACCEPTANCE OF SUBSCRIPTION BY ADVANCED BIOENERGY, LLC:  


Advanced
BioEnergy, LLC hereby accepts the subscription for the above Units. 


Dated
this        day of                        , 200  . 



	ADVANCED BIOENERGY, LLC	 	 
	

By:	

    
	
 	

 
	Its:	    
	 	 









 
 

PROMISSORY NOTE AND SECURITY AGREEMENT    
    


Date
of Subscription Agreement:                        , 200    . 


$10.00 per Unit  


 Minimum Investment of 2,500 Units ($25,000), 100 Unit Increments Thereafter ($1,000)  



	    
	 	Number of Units subscribed
	

    
	
 	

Total Purchase Price ($10.00 per Unit multiplied by number of Units subscribed)
	

(                  )
	
 	

Less Initial Payment (10% of Principal Amount)
	

    
	
 	

Principal Balance





        FOR
VALUE RECEIVED, the undersigned hereby promises to pay to the order of Advanced BioEnergy, LLC, a Delaware limited liability company ("Advanced BioEnergy"), at its principal office
located at 137 N. 8th Street, Geneva, Nebraska 68361, or at such other place as required by Advanced BioEnergy, the Principal Balance set forth above in one lump sum to be paid without
interest within 20 days following the call of the Advanced BioEnergy Board of Directors, as described in the Subscription Agreement. In the event the undersigned fails to timely make any
payment owed, the entire balance of any amounts due under this full recourse Promissory Note and Security Agreement shall be immediately due and payable in full with interest at the rate of 12% per
annum from the due date and any amounts previously paid in relation to the obligation evidenced by this Promissory Note and Security Agreement may be forfeited at the discretion of Advanced BioEnergy. 


        The
undersigned agrees to pay to Advanced BioEnergy on demand, all costs and expenses incurred to collect any indebtedness evidenced by this Promissory Note and Security Agreement,
including, without limitation, reasonable attorneys' fees. This Promissory Note and Security Agreement may not be modified orally and shall in all respects be governed by, construed, and enforced in
accordance with the laws of the State of Delaware. 


        The
provisions of this Promissory Note and Security Agreement shall inure to the benefit of Advanced BioEnergy and its successors and assigns, which expressly reserves the right to
pursue the undersigned for payment of the amount due thereon by any legal means in the event that the undersigned defaults on obligations provided in this Promissory Note and Security Agreement. 


        The
undersigned waives presentment, demand for payment, notice of dishonor, notice of protest, and all other notices or demands in connection with the delivery, acceptance, performance
or default of this Promissory Note and Security Agreement. 


        The
undersigned grants to Advanced BioEnergy, and its successors and assigns ("Secured Party"), a purchase money security interest in all of the undersigned's Membership Units of
Advanced BioEnergy now owned or hereafter acquired. This security interest is granted as non-exclusive collateral to secure payment and performance on the obligation owed Secured Party
from the undersigned evidenced by this Promissory Note and Security Agreement. The undersigned further authorizes Secured Party to retain possession of certificates representing such Membership Units
and to take any other actions necessary to perfect the security interest granted herein. 


Dated:                        ,
200  . 



	OBLIGOR/DEBTOR:	 	JOINT OBLIGOR/DEBTOR:
	    
 Printed or Typed Name of Joint Obligor	 	    
 Printed or Typed Name of Obligor
	

By:	

    
 (Signature)	
 	

By:	

    
 (Signature)
	    
 Officer Title if Obligor is an Entity	 	 	 
	    
	 	 	 
	    
	 	 	 
	    
 Address of Obligor	 	 	 









 
 

EXHIBIT "A"    
    
    MEMBER SIGNATURE PAGE    
    
    ADDENDA TO THE
  AMENDED AND RESTATED OPERATING AGREEMENT OF ADVANCED BIOENERGY, LLC    
    


        The undersigned does hereby represent and warrant that the undersigned, as a condition to becoming a Member in Advanced BioEnergy, LLC, has received a copy of the
Amended and Restated Operating Agreement dated June 30, 2005, and, if applicable, all amendments and modifications thereto, and does hereby agree that the undersigned, along with the other
parties to the Amended and Restated Operating Agreement, shall be subject to and comply with all terms and conditions of said Amended and Restated Operating Agreement in all respects as if the
undersigned had executed said Amended and Restated Operating Agreement on the original date thereof and that the undersigned is and shall be bound by all of the provisions of said Amended and Restated
Operating Agreement from and after the date of execution hereof. 



	Individuals:	 	Entities:
	
    
 Name of Individual Member (Please Print)	
 	

    
 Name of Entity (Please Print)
	

    
 Signature of Individual	
 	

    
 Print Name and Title of Officer
	

    
 Name of Joint Individual Member (Please Print)	
 	

    
 Signature of Officer
	

    
 Signature of Joint Individual Member	
 	

 





Agreed and Accepted on Behalf of the Company and its Members:  



	ADVANCED BIOENERGY, LLC	 	 
	

By:	

    
	
 	

 
	Its:	    
	 	 













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PROMISSORY NOTE AND SECURITY AGREEMENT

EXHIBIT "A" MEMBER SIGNATURE PAGE ADDENDA TO THE AMENDED AND RESTATED OPERATING AGREEMENT OF ADVANCED BIOENERGY, LLC