Exhibit 12.1

VeraSun Energy Corporation
Computation of Ratio of Earnings to Fixed Charges

	Year Ended December 31,
	2006			2005			2004			2003			2002
	(dollars in thousands)
Fixed charges:
Interest expense (including amortized debt issuance cost)	$	37,871		$	23,353		$	8,892		$	839		$	—
Capitalized interest		3,622			3,534			11			1,721			62
Total fixed charges		41,493			26,887			8,903			2,560			62
Add amortization of capitalized interest		262			127			82			—			—
Less interest capitalized		(3,622	)		(3,534	)		(11	)		(1,721	)		(62	)
Income (loss) before income taxes and minority interest		130,077			774			24,913			1,163			(1,215	)
Total earnings (loss) before fixed charges	$	168,210		$	24,254		$	33,887		$	2,002			($1,215)
Ratio of earnings to fixed charges(1)		4.05			0.90	(2)		3.81			0.78	(2)		*

(1)	For the purpose of determining the ratio of earnings to fixed charges, earnings are defined as pretax income from continuing operations before adjustment for minority interest in consolidated subsidiary plus fixed charges and amortization of capitalized interest, less capitalized interest. Fixed charges consist of interest expense, which includes amortized debt issuance costs and capitalized interest.
(2)	The additional earnings needed to cover fixed charges in 2005 and 2003 were $2.6 million and $558,000, respectively.
*	Our earnings were inadequate to cover fixed charges for the year ended December 31, 2002. Earnings were $1.3 million less than fixed charges.