UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of

The Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): January 2, 2008

US BioEnergy Corporation

(Exact name of registrant as specified in its charter)

SOUTH DAKOTA

001-33203

20-1811472

(State or other jurisdiction

of incorporation)

(Commission File Number)

(I.R.S. Employer

Identification No.)


5500 Cenex Drive, Inver Grove Heights, MN		55077
(Address of Principal Executive Offices)		(Zip Code)

Registrant’s telephone number, including area code: (651) 554-5400

Not Applicable

(Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

x	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

¨	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

¨	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

¨	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 8.01

Other Events.

On January 2, 2008, US BioEnergy Corporation (the “Company”) announced that the Federal Trade Commission granted early termination of the waiting period under the Hart-Scott-Rodino Antitrust Improvements Act for the proposed merger between the Company and VeraSun Energy Corporation. A copy of the press release issued by the Company on January 2, 2008 concerning is filed herewith as Exhibit 99.1 and is incorporated herein by reference.

Item 9.01

Financial Statements and Exhibits.

(d)

Exhibits


99.1		Press Release dated January 2, 2008

Page 2 of 4

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

Page 3 of 4

Exhibit Index


Exhibit No.		Exhibits
99.1		Press Release dated January 2, 2008

Page 4 of 4

US BIOENERGY CORPORATION

Date: January 2, 2008

/s/ Gregory S. Schlicht

Gregory S. Schlicht

Vice President, General Counsel and Corporate Secretary

US BioEnergy CORP 8-K