Amendment to Ethanol Marketing Agreement, dated October 14, 2002

EXHIBIT 10.1

Amendment to Ethanol Marketing Agreement

Effective Date: June 18, 2006

     VeraSun Aurora Corporation, formerly known as VeraSun Energy Corporation (“VeraSun Aurora"), and Aventine Renewable Energy (“AREI”) are parties to that certain Ethanol Marketing Agreement dated as of October 14, 2002, as amended as of December 8, 2003 and February 22, 2005 (the “Agreement”). The parties have discussed certain amendments to the Agreement as set forth below.

     Accordingly, in consideration of the mutual promises and covenants contained herein and in the Agreement, and for other good and valuable consideration, the receipt and sufficiency of which is hereby acknowledged, VeraSun Aurora and AREI agree as follows:

1. Section 5 of the Agreement is hereby amended to include the following paragraph J:

J.

Unit Trains. In addition to any other payments due to VeraSun Aurora under this Agreement, AREI shall pay VeraSun Aurora $(**) per gallon of ethanol purchased from VeraSun Aurora and shipped by means of a Unit Train to a Unit Train Receiving Facility. The payment cycle for Unit Train shipments shall begin at the time the relevant Unit Train has been loaded and is ready to be moved from VeraSun Aurora’s facility. For purposes of this paragraph J, a “Unit Train” shall mean any train assembled at VeraSun Aurora consisting of a minimum of 60 ethanol cars destined to be offloaded at a Unit Train Receiving Facility, and a “Unit Train Receiving Facility” shall mean any destination that receives Unit Trains for the purposes of offloading ethanol.

2. Except as provided above, all other terms of the Agreement, as amended, shall remain in full force and effect until its termination on March 31, 2007.

     The parties have executed this Amendment to the Agreement effective as of date indicated above.

VeraSun Aurora Corporation				Aventine Renewable Energy
One VeraSun Place				P.O. Box 10
Aurora, SD 57002				Pekin, IL 61555
By:		/s/ William L. Honnef		By:		/s/ John R. Gray
Title:		SVP Sales and Marketing		Title:		VP Logistics & Development
Date:		June 19, 2006		Date:		June 26, 2006