Assignment and Pledge Agreement

Exhibit 10.6

ASSIGNMENT and PLEDGE AGREEMENT

(Through Put Service Agreement)

     Amaizing Energy, LLC (“Assignor”), an Iowa limited liability company, for valuable consideration, the receipt and sufficiency of which are hereby acknowledged, hereby grants, pledges, and assigns to CoBank, ACB (“Assignee”), all of Assignor’s right, title and interest in and to:

That certain Natural Gas Transportation Agremeent (“Through Put Service Agreement”) between Assignor and Northern Natural Gas, pursuant to which the Northern Natural Gas will furnish transportation of Assignor’s natural gas to Assignor pursuant to the terms contained in such Through Put Service Agreement

to secure payment and performance of all obligations of Assignor to Assignee under that certain Master Loan Agreement, that certain Construction and Revolving Term Loan Supplement, that certain Statused Revolving Credit Supplement, and that certain Non-Revolving Credit Supplement, all between Assignor and Assignee, which by this reference are made a part hereof.

     It is the intention of Assignor that by this assignment Assignee shall acquire all of the rights and obligations previously enjoyed by Assignor as owner under the Through Put Service Agreement.

     Assignor agrees to execute such other documents as may reasonably be requested by Assignee, from time to time to evidence the above and foregoing assignment.

By its execution hereof, Northern Natural Gas consents to and acknowledges the foregoing collateral assignment of the described agreement.

		Northern Natural Gas
Dated February          , 2005		By:
				Its:
STATE OF IOWA                     )
)ss.
COUNTY OF CRAWFORD      )

     On this 11^th day of February, 2005, before me, the undersigned, a Notary Public personally appeared Samual Cogdill, Chairman of Amaizing Energy,LLC on behalf of said entity, who executed the foregoing instrument, and acknowledged that he executed the same as his voluntary act and deed.

	SEAL     ANGEL R. JEPSEN			/s/ Angel Jepsen
	Commission Number 727183			Angel Jepson      Notary Public
	My Commission Expires			In and for said State
	March 2, 2007			My commission expires: March 2, 2007

STATE OF                                  )
)ss.
COUNTY OF                               )

     On this                      day of February, 2005, before me, the undersigned, a Notary Public, personally appeared                                         , the                                          of Northern Natural Gas on behalf of said entity, who executed the foregoing instrument, and acknowledged that s/he executed the same as his/her voluntary act and deed.

                                                             
                                                            Notary Public
In and for said State
My commission expires: