**EXHIBIT 31.2**

**CERTIFICATION**

I,Richard R. Peterson, Chief Financial Officer, certify that:

1.   I have reviewed this quarterly report on Form10-QSB of Advanced BioEnergy, LLC;

2.   Based on myknowledge, this report does not contain any untrue statement of a material factor omit to state a material fact necessary to make the statements made, inlight of the circumstances under which such statements were made, notmisleading with respect to the period covered by this report;

3.   Based on myknowledge, the financial statements, and other financial information includedin this report, fairly present in all material respects the financialcondition, results of operations and cash flows of the small business issuer asof, and for, the periods presented in this report;

4.   The small businessissuer’s other certifying officer and I are responsible for establishing andmaintaining disclosure controls and procedures (as defined in Exchange ActRules 13a-15(e) and 15d-15(e)) and internal control over financial reporting(as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the smallbusiness issuer and have:

a)   designed such disclosure controls and procedures, or causedsuch disclosure controls and procedures to be designed under our supervision,to ensure that material information relating to the small business issuer,including its consolidated subsidiaries, is made known to us by others withinthose entities, particularly during the period in which this report is beingprepared;

b)   designed such internal control over financial reporting, orcaused such internal control over financial reporting to be designed under oursupervision, to provide reasonable assurance regarding the reliability offinancial reporting and the preparation of financial statements for external purposesin accordance with generally accepted accounting principles;

c)   evaluated the effectiveness of the small business issuer’sdisclosure controls and procedures and presented in this report our conclusionsabout the effectiveness of the disclosure controls and procedures, as of theend of the period covered by this report based on such evaluation; and

d)   disclosed in this report any change in the small businessissuer’s internal control over financial reporting (as defined in Exchange ActRules 13a-15(f) and 15d-15(f)) that occurred during the small business issuer’smost recent fiscal quarter (the small business issuer’s fourth fiscal quarterin the case of an annual report) that has materially affected, or is reasonablylikely to materially affect, the small business issuer’s internal control overfinancial reporting.

5.   The small businessissuer’s other certifying officer and I have disclosed, based on our mostrecent evaluation of internal control over financial reporting, to the smallbusiness issuer’s auditors and the audit committee of the small business issuer’sboard of directors (or persons performing the equivalent functions):

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a)   all significant deficiencies and material weaknesses in thedesign or operation of internal control over financial reporting which arereasonably likely to adversely affect the small business issuer’s ability torecord, process, summarize and report financial information; and

b)   any fraud, whether or not material, that involves managementor other employees who have a significant role in the small business issuer’sinternal control over financial reporting.

Date:  February 14, 2007
|        |   | */s/ Richard R. Peterson* |
|--------|--------|---------------------------|
|   |   | Richard R. Peterson       |
|   |   | Chief Financial Officer   |

 

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