I 

117TH CONGRESS 

1ST SESSION H. R. 3592 

To require the Administrator of the Environmental Protection Agency to 

update the modeling used for lifecycle greenhouse gas assessments for 

corn-based ethanol and biodiesel, and for other purposes. 

IN THE HOUSE OF REPRESENTATIVES 

MAY 28, 2021 

Mr. JOHNSON of South Dakota (for himself, Mr. RODNEY DAVIS of Illinois, 

Ms. CRAIG, Mrs. AXNE, Mr. SMITH of Nebraska, Mr. POCAN, Mr. 

FEENSTRA, Mr. HAGEDORN, Mr. BOST, Mrs. BUSTOS, Mr. BAIRD, Mr. 

EMMER, Mr. BACON, Mrs. FISCHBACH, and Mrs. HINSON) introduced the 

following bill; which was referred to the Committee on Energy and Commerce 

A BILL 

To require the Administrator of the Environmental Protection Agency to update the modeling used for lifecycle 

greenhouse gas assessments for corn-based ethanol and 

biodiesel, and for other purposes. 

1 Be it enacted by the Senate and House of Representa2 tives of the United States of America in Congress assembled, 

3 SECTION 1. SHORT TITLE. 

4 This Act may be cited as the ‘‘Adopt the Greenhouse 

5 gases, Regulated Emissions, and Energy use in Transpor6 tation model Act’’ or the ‘‘Adopt GREET Act’’. 


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1 SEC. 2. DEFINITION OF ADMINISTRATOR. 

2 In this Act, the term ‘‘Administrator’’ means the Ad3 ministrator of the Environmental Protection Agency. 

4 SEC. 3. LIFECYCLE GREENHOUSE GAS EMISSIONS FROM 

5 CORN-BASED ETHANOL AND BIODIESEL. 

6 (a) IN GENERAL.—Subject to subsection (b), not 

7 later than 90 days after the date of enactment of this Act, 

8 and every 5 years thereafter, the Administrator shall up9 date the methodology used by the Environmental Protec10 tion Agency in lifecycle analyses with respect to green11 house gas emissions that result from corn-based ethanol 

12 and biodiesel. 

13 (b) REQUIREMENTS.— 

14 (1) FIRST UPDATE.—In carrying out the first 

15 update required under subsection (a), the Adminis16 trator shall adopt the most recent Greenhouse gases, 

17 Regulated Emissions, and Energy use in Transpor18 tation model (commonly referred to as the ‘‘GREET 

19 model’’) developed by Argonne National Laboratory. 

20 (2) SUBSEQUENT UPDATES.—In carrying out 

21 the second and each subsequent update required 

22 under subsection (a), the Administrator shall— 

23 (A) as necessary, adopt, review, or update 

24 a methodology determined to be appropriate by 

25 the Administrator; or 


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1 (B) adopt the methodology described in 

2 paragraph (1). 

3 (c) REPORT.—If the Administrator fails to carry out 

4 subsection (b)(2) before the applicable deadline described 

5 in subsection (a), the Administrator shall submit to the 

6 Committees on Agriculture, Nutrition, and Forestry, En7 ergy and Natural Resources, and Environment and Public 

8 Works of the Senate and the Committees on Agriculture, 

9 Energy and Commerce, and Science, Space, and Tech10 nology of the House of Representatives a report describing 

11 the reasons for the failure to carry out subsection (b)(2), 

12 which may include a determination by the Administrator 

13 that the methodology adopted or updated in a previous 

14 update under subsection (a) remains the most current 

15 methodology based on available data, research, and tech16 nology. 

Æ 


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