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                                                                     EXHIBIT 4.1

                         CERTIFICATE OF MEMBERSHIP UNITS


                                                     Membership
    Number                                              Units


                                     [LOGO]

                         EAST KANSAS AGRI-ENERGY, L.L.C.

   A LIMITED LIABILITY COMPANY ORGANIZED UNDER THE LAWS OF THE STATE OF KANSAS


     This Certifies that ____________________________________________is/are the
owner(s) of_______________________UNITS (_______________)of the Membership Units
of East Kansas Agri-Energy, L.L.C., a Kansas limited liability company. Changes
in the actual Membership Units held by the Members are reflected in the
Certificate of Registration of the Company.

The Membership Units represented by this Certificate may not be transferred or
assigned except in compliance with the Amended and Restated Operating Agreement
of the Company, a copy of which is available at the principal office of the
Company.


     IN WITNESS WHEREOF, the Company has caused this Certificate to be signed by
its duly authorized Chairman and Secretary as of this ____ day of _______, 20  .


     ------------------------------------     -----------------------------
         William R. Pracht, Chairman               Dan Morgan, Secretary

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FOR VALUE RECEIVED, ___________ HEREBY SELL, ASSIGN, AND TRANSFER UNTO
_____________ UNITS REPRESENTED BY THE WITHIN CERTIFICATE, AND DO HEREBY
IRREVOCABLY CONSTITUTE AND APPOINT _____________________ ATTORNEY TO TRANSFER
THE SAID UNITS ON THE BOOKS OF THE WITHIN NAMED COMPANY WITH FULL POWER OF
SUBSTITUTION IN THE PREMISES.

         DATED                                ,                 .
               -------------------------------  ----------------

IN PRESENCE OF

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          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 and agreed to by each Member.

          The  securities  represented  by this  certificate  may  not be  sold,
          offered  for sale,  or  transferred  in the  absence  of 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.