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                                                                     EXHIBIT 4.1

          NUMBER - NUMERO                         SHARES - ACTIONS
             CBA00000

               HYDROGENICS CORPORATION - CORPORATION HYDROGENIQUE

INCORPORATED UNDER THE CANADA           CONSTITUEE SOUS L'AUTORITE DE LA LOI SUR
  BUSINESS CORPORATIONS ACT             LES SOCIETES COMMERCIALES CANADIENNES

                                                            --------------------
                                                              CUSIP 448882 10 0
                                                            --------------------

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This certifies that
Ceci atteste que

is the registered holder of
est le titulaire inserit de
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FULLY PAID AND NON-ASSESSABLE           ACTIONS ORDINAIRES ENTIEREMENT LIBEREES,
COMMON SHARES WITHOUT PAR               SANS VALEUR NOMINALE DU CAPITAL DE
VALUE IN THE CAPITAL OF

   HYDROGENICS CORPORATION                     CORPORATION HYDROGENIQUE

  These shares are transferable           Ces actions peuvent etre transferees
only in the securities register         seulement dans le registre
of the Corporation by the               des valeurs de la Societe par
registered holder or his attorney,      le titulaire inscrit ou par son
upon surrender of this certificate      procureur sur remise du present
properly endorsed. This certificate     certificat dument endosse. Le present
is not valid until countersigned        certificat n'est valide a moins d'etre
by the Transfer Agent and registered    contresigne par le prepose au
by the Registrar.                       transfert et inscrit par le comptable
  IN WITNESS WHEREOF, the               des transferts.
Corporation has caused this               EN FOI DE QUOI, la Societe a fait
certificate to be signed by its duly    signer ce certificat par ses
authorized officers.                    dirigeants dument autorises.

                    Dated
                    Date

/s/ Robert Edwards                                         /s/ Pierre Ravard
VICE PRESIDENT FINANCE, TREASURER                 PRESIDENT AND CHIEF EXECUTIVE
  AND SECRETARY                                     OFFICER
VICE-PRESIDENT FINANCES,                          PRESIDENT ET CHEF DE LA
  TRESORIER ET SECRETAIRE                           DIRECTION

                                   [GRAPHIC]

                         [HYDROGENICS CORPORATION LOGO]

            COUNTERSIGNED AND REGISTERED/CONTRESIGNE ET ENREGISTRE :
CIBC MELLON TRUST COMPANY                                   CALGARY, ALBERTA
COMPAGNIE TRUST CIBC MELLON                                 TORONTO, ONTARIO
         TRANSFER AGENT AND REGISTRAR/AGENT DE TRANSFERT ET REGISTRAIRE

BY
PAR
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                                    AUTHORIZED OFFICER/REPRESENTANT AUTORISE

OR - OU

CHASE MELLON SHAREHOLDER SERVICES, L.L.C.                   NEW YORK, NEW YORK
CO-TRANSFER AGENT AND CO-REGISTRAR/CO-AGENT DE TRANSFERT ET CO-REGISTRAIRE

BY
PAR
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                                    AUTHORIZED OFFICER/REPRESENTANT AUTORISE

THIS CERTIFICATE IS TRANSFERABLE AT THE TRANSFER OFFICES OF CIBC MELLON TRUST
COMPANY IN CALGARY, ALBERTA AND TORONTO, ONTARIO, CANADA AND AT THE TRANSFER
OFFICES OF CHASE MELLON SHAREHOLDER SERVICES, L.L.C. IN NEW YORK, NEW YORK.

CE CERTIFICAT EST TRANSFERABLE AUX BUREAUX DES TRANSFERTS DE COMPAGNIE TRUST
CIBC MELLON A CALGARY, ALBERTA ET TORONTO, ONTARIO, CANADA OU AU BUREAU DE
TRANSFERT DE COMPAGNIE CHASE MELLON A NEW YORK, NEW YORK.

BLACK GRAVURE PMS 281 PMS 321 C36   H-818-11(60944)/4th proof/September 11, 2000

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The class or series of shares represented by this certificate has rights,
privileges, restrictions or conditions attached thereto. The Corporation will
furnish to a shareholder, on demand and without charge, a full copy of the text
of the rights, privileges, restrictions and conditions attached to each class
authorized to be issued and to each series in so far as the same have been fixed
by the directors, and of the authority of the directors to fix the rights,
privileges, restrictions and conditions of subsequent series.

La categorie ou serie d'actions representee par ce certificat s'accompagne des
droits, privileges, restrictions ou conditions y afferents. La Societe fournira
a l'actionnaire, sur demande et sans frais, une copie du texte des droits,
privileges, restrictions et conditions attaches a chaque categorie autorisee
devant etre emise et a chaque serie dans la mesure ou ceux-ci ont ete etablis
par les administrateurs et ou les administrateurs ont l'autorite voulue pour
etablir les droits, privileges, restrictions et conditions attaches aux series
subsequentes.

NOTICE:  The signature to this assignment must correspond with the name as
written upon the face of the Certificate in every particular, without alteration
or enlargement, or any change whatever, and must be guaranteed by a bank, trust
company or a member of a recognised stock exchange.

AVIS:  La signature apposee aux fins de cette cession doit correspondre en
tous points au nom figurant au recto du certificat, sans aucun changement, et
elle doit etre avalisee par une banque, une societe de fiducie ou un membre
d'une bourse reconnue.

 For value received, the undersigned hereby sells, assigns and transfers unto

Contre valeur recue, le soussigne vend, cede et transfere par les presentes a

_______________________________________________________________________________
        Please print or typewrite name and address of assignee - S.V.P.
ecire en lettres moulees ou dactylographier le nom et l'adresse du cessionnaire

________________________________________________________________________________

                            / /  / /  / / - / /  / /  / / - / /  / /  / /
                                          Social Insurance Number -
                                        (Numero d'assurance sociale)
________________________________________________________________________________

                                                                          Shares
_________________________________________________________________________actions

          of the Corporation represented by this Certificate, and does
                   hereby irrevocably constitute and appoint
          de la societe representees par ce certificat, et constitue
                   et nomme irrevocablement par les presentes

                                                                        Attorney
____________________________________________________________son fonde de pouvoir
 to transfer the said shares on the appropriate records of the Corporation
 with full power of substitution in the premises.

aux fins de l'inscription du transfert desdites actions sur les registres
appropries de la societe avec plein pouvoir de substitution a cet egard.

Dated
Date:______________________ 20 ___

                                      Signature ________________________________

 Signature Guaranteed By:
 Signature avalisee par:<PAGE>   1
                                                                    EXHIBIT 10.1

                              SETTLEMENT AGREEMENT

1. Parties.

     1.1 This Settlement Agreement (this "Agreement") is made and entered into
on September 5, 2000 (the "Effective Date"), at Toronto, Ontario, Canada,
between Infotopia, Inc. ("Infotopia"), a Nevada corporation, and Thomson
Kernaghan & Co. Limited ("Thomson Kernaghan"), an Ontario corporation.

2. Recitals.

     2.1 This Agreement is made with reference to the following facts and
circumstances:

          (a) National Boston Medical, Inc. ("National Boston") granted Thomson
Kernaghan certain royalties (the "Thomson Kernaghan Royalties") under the terms
of (i) a Convertible Note dated August 19, 1999, in the principal amount of
$1,700,000, executed by National Boston as maker in favor of Thomson Kernaghan
as payee, and (ii) a Promissory Note dated January 21, 2000, in the principal
amount of $550,000, executed by National Boston as maker in favor of Thomson
Kernaghan as payee.

          (b) Thomson Kernaghan has made a claim against Infotopia and its
officers and directors (the "Thomson Kernaghan Royalties Claim") alleging that
Infotopia has appropriated royalty payments due Thomson Kernaghan pursuant to
the Thomson Kernaghan Royalties.

          (c) Infotopia and Thomson Kernaghan desire to settle the Thomson
Kernaghan Royalties Claim on the terms and subject to the conditions set forth
in this Agreement.

3. Settlement of Claim for Appropriation of Certain Royalties

     3.1 In order to settle the Thomson Kernaghan Royalties Claim:

          (a) Infotopia hereby agrees to (i) issue and deliver 6,500,000 shares
of authorized and unissued common stock ("Common Stock") of Infotopia (the
"Settlement Shares") to Thomson Kernaghan, and (ii) to register Thomson
Kernaghan's resale of the Settlement Shares under the Securities Act of 1933, as
amended (the "Securities Act"); and Thomson Kernaghan agrees to accept the
Settlement Shares in settlement of the Thomson Kernaghan Royalties Claim, on the
terms and subject to the provisions of this Agreement.

          (b) Infotopia hereby agrees to (i) issue, sell and deliver 12,750,000
shares of Common Stock (the "Purchased Shares") to Thomson Kernaghan, for an
aggregate purchase price of $1,767,500 (the "Purchase Price") for all 12,750,000
shares, and (ii) to register Thomson Kernaghan's resale of the Purchased Shares
under the Securities Act; and Thomson Kernaghan agrees to purchase the Purchased
Shares, on the terms and subject to the conditions of this Agreement.

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          (c) Infotopia hereby agrees to (i) issue, sell and deliver to Thomson
Kernaghan a warrant (the "Warrant") to purchase 1,000,000 shares of Common Stock
(the "Warrant Shares") at a price per share of $.138, and (ii) to register
Thomson Kernaghan's resale of the Warrant Shares under the Securities Act. The
Warrant shall (i) be exerciseable at any time, in whole or in part, (ii) expire
not earlier than two years from the date that it is issued, and (iii) contain a
"cashless exercise" provision.

     3.2. Thomson Kernaghan shall pay the Purchase Price to Infotopia in
installments, as follows:

          (a) $800,000 upon delivery of the Settlement Shares and the Purchased
Shares, in escrow as provided in section 4 below.

          (b) $717,500 upon the effectiveness of the Registration Statement
defined in Section 5 below, in escrow as provided in section 4 below.

          (c) $250,000 to be payable immediately upon closing to Infotopia.

4. Escrow

     4.1. Infotopia agrees that the Purchase Price shall be paid and applied in
the following order and priority:

          (a) First, to the payment of the creditors of National Boston, other
than (i) Thomson Kernaghan, (ii) Oxford Capital, (iii) Donald F. Mintmire, (iv)
Noreen Wilson, and (v) National Boston's directors and officers, (vi) Dragons
Forever (David Woo)

          (b) Then the balance, if any, to Infotopia.

     4.2. In order to establish a procedure for the payment of the Purchase
Price as set forth above, within five days from the Effective Date, Infotopia
and Thomson Kernaghan shall enter into an escrow agreement (the "Escrow
Agreement") with John M. Mann as escrow holder (the "Escrow Holder"), and
Thomson Kernaghan shall deposit the Purchase Price with the Escrow Holder, as
the installments thereof become due, the Escrow Agreement shall set forth the
names of each creditor and the amounts to be paid. After creditors are paid all
proceeds are advanced directly to Infotopia.

5. Registration

     5.1. On or before October 5, 2000 (the "Filing Deadline"), Infotopia agrees
to file a registration statement (the "Registration Statement") with the
Securities and Exchange Commission (the "SEC") under the Securities Act on Form
S-3, if eligible, otherwise on Form SB-2, covering the resale of the Settlement
Shares, the Purchased Shares and the Warrant Shares (collectively, the
"Registrable Securities") by Thomson Kernaghan or any subsequent holder, and
shall use its best efforts to cause the Registration Statement to be declared
effective by December 5, 2000 (the "Effectiveness Deadline"). Infotopia shall
cause the Registration Statement to remain continuously effective until all of
the Registrable Securities have been resold pursuant to the Registration
Statement, or until all of the Registrable Securities are eligible for resale
pursuant to SEC Rule 144(k).

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     5.2.  If Infotopia has not filed the Registration Statement by the Filing
Deadline, then Infotopia shall issue and deliver to Thomson Kernaghan, as
liquidated damages, 5,000,000 shares of Common Stock.

     5.3.  If the Registration Statement is not effective by the Effectiveness
Deadline, then Infotopia shall issue and deliver to Thomson Kernaghan, as
liquidated damages, 2,500,000 shares of Common Stock. If the Registration
Statement is not effective by January 15, 2001, then Infotopia shall issue and
deliver to Thomson Kernaghan, as liquidated damages, an additional 2,500,000
shares of Common Stock. Such liquidated damages shall not be prorated. Infotopia
shall file an additional registration statement for the resale of any shares
that Thomson Kernaghan shall be entitled to receive under this paragraph 5.3.

     5.4.  Thomson Kernaghan agrees that in any trading day it will not sell, in
market transactions pursuant to the Registration Statement, an aggregate of
Registrable Securities in excess of 10% of that day's trading volume for the
Common Stock. If TK sells in excess of 10% of the trading volume they will incur
a penalty of $1,000,000 per day of infraction.

6.   Representations and Warranties

     6.1.  Infotopia represents and warrants to Thomson Kernaghan that:

           (a)  The execution and performance of this Agreement has been duly
authorized by all necessary corporate authority.

           (b)  This Agreement is its binding obligation, enforceable in
accordance with its terms, except as such enforcement may be limited by the
application of bankruptcy, insolvency or other laws affecting creditors' rights
generally, or by general principles of equity.

           (c)  The Registrable Securities and any other shares of Common Stock
issuable to Thomson Kernaghan under this Agreement will be duly authorized,
validly issued, and when paid for will be fully paid and nonassessable.

           (d)  It has not offered any of the Registrable Securities in the
United States or to a U.S. Person (as defined by SEC Regulation S), it has
complied with all the requirements of SEC Regulation S to be complied with by it
in offering and selling the Registrable Securities to Thomson Kernaghan, and the
offer and sale of the Registrable Securities to Thomson Kernaghan are exempt
from the registration requirements of the Securities Act pursuant to Section
4(2) thereof and SEC Regulation S.

     6.2.  Thomson Kernaghan represents and warrants to Infotopia that:

           (a)  The execution and performance of this Agreement has been duly
authorized by all necessary corporate authority.

           (b)  This Agreement is its binding obligation, enforceable in
accordance with its terms, except as such enforcement may be limited by the
application of bankruptcy, insolvency or other laws affecting creditors' rights
generally, or by general principles of equity.

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          (c) It is not a U.S. Person, it has complied with all the
requirements of SEC Regulation S to be complied with by it in purchasing the
Registrable Securities.

7. Releases

     7.1. Infotopia, for itself and its officers, directors, shareholders and
successors in interest, hereby releases Thomson Kernaghan and its officers,
directors, shareholders and successors in interest, from any claim of any
nature arising prior to the Effective Date out of or related to the Thomson
Kernaghan Royalties Claim.

     7.2. Thomson Kernaghan, for itself and its officers, directors,
shareholders and successors in interest, (i) hereby releases Infotopia, and its
officers, directors, shareholders and successors in interest, from any claim of
any nature arising prior to the Effective Date out of or related to the Thomson
Kernaghan Royalties Claim; and (ii) agrees not to seek to recover from
Infotopia, or any of its officers, directors, shareholders or successors in
interest, any of the assets that were the subject of National Boston's grant of
the Thomson Kernaghan Royalties. The release and agreement not to seek recovery
of assets contained in this paragraph 7.2 are subject to and conditioned upon
the Registration Statement covering the Registrable Securities being effective
on or before the Registration Deadline.

8. Jurisdiction and Venue

     8.1. This Agreement shall be governed by and construed in accordance with
the laws of the Province of Ontario, Canada; provided, however, that if any
provision of this Agreement is unenforceable under Ontario law, but is
enforceable under the laws of the State of Massachusetts, then Massachusetts
law shall govern the construction and enforcement of that provision. The courts
of the Province of Ontario, Canada, shall have jurisdiction and venue for the
adjudication of any civil action between or among any of them arising out of or
relating to this Agreement. The parties hereby irrevocably consent to such
jurisdiction and venue, and hereby irrevocably waive any claim of forum non
conveniens or right to change such venue.

INFOTOPIA, INC.

By /s/ Daniel J. Hoyng                   Witness /s/ Victor Bianchi
   ---------------------------                   ------------------
   Daniel J. Hoyng, CEO                          Victor Bianchi

THOMSON KERNAGHAN & CO. LIMITED

By /s/ Mark E. Valentine
   ---------------------------
   Mark E. Valentine, Chairman

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