Red Trail Energy (REGX) 10-K 2006 FY Annual report

Exhibit 32.1

CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350
As Adopted Pursuant to
Section 906 of the Sarbanes-Oxley Act of 2002

     In connection with the Annual Report of Red Trail Energy, LLC (the “Company”) on Form 10-K for the period ending December 31, 2006 as filed with the Securities and Exchange Commission on the date hereof, (the “Report”), I, Mick J. Miller, Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. 1350, as adopted pursuant to 906 of the Sarbanes-Oxley Act of 2002, that:

1.	The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and
2.	The information contained in the Report fairly presents, in all material respects, the financial condition and result of operations of the Company.

April 17, 2007

/s/ Mick J. Miller  

Mick J. Miller  

Chief Executive Officer