I 
118TH CONGRESS 
2D SESSION 
H. R. 9970 
To prohibit Federal agencies from considering, in taking any action, the 
social cost of carbon, the social cost of methane, the social cost of 
nitrous oxide, or the social cost of any other greenhouse gas, unless 
compliant with Office of Management and Budget guidance, and for 
other purposes. 
IN THE HOUSE OF REPRESENTATIVES 
OCTOBER 11, 2024 
Mr. HUDSON (for himself, Mr. HERN, Mr. PFLUGER, Mr. CAREY, Mr. BIGGS, 
Mr. RESCHENTHALER, Mr. WALBERG, Mr. LATURNER, Mr. BABIN, Mr. 
LANGWORTHY, Mr. ROY, Ms. LEE of Florida, and Mr. DUNCAN) intro-
duced the following bill; which was referred to the Committee on Over-
sight and Accountability, and in addition to the Committee on the Judici-
ary, for a period to be subsequently determined by the Speaker, in each 
case for consideration of such provisions as fall within the jurisdiction of 
the committee concerned 
A BILL 
To prohibit Federal agencies from considering, in taking 
any action, the social cost of carbon, the social cost 
of methane, the social cost of nitrous oxide, or the social 
cost of any other greenhouse gas, unless compliant with 
Office of Management and Budget guidance, and for 
other purposes. 
Be it enacted by the Senate and House of Representa-
tives of the United States of America in Congress assembled, 
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SECTION 1. SHORT TITLE. 
This Act may be cited as the ‘‘Transparency and 
Honesty in Energy Regulations Act of 2024’’. 
SEC. 2. DEFINITIONS. 
In this Act: 
(1) FEDERAL
AGENCY.—The term ‘‘Federal 
agency’’ means has the meaning given the term 
‘‘agency’’ in section 551 of title 5, United States 
Code. 
(2) SOCIAL COST OF CARBON.—The term ‘‘so-
cial cost of carbon’’ means— 
(A) the estimate of the social cost of car-
bon described in— 
(i) the document entitled ‘‘Technical 
Support Document: Social Cost of Carbon 
for Regulatory Impact Analysis Under Ex-
ecutive Order 12866’’, published by the 
Interagency Working Group on Social Cost 
of Carbon, United States Government, in 
February 2010; 
(ii) the document entitled ‘‘Technical 
Support Document: Social Cost of Carbon, 
Methane, and Nitrous Oxide Interim Esti-
mates under Executive Order 13990’’, 
published by the Interagency Working 
Group on Social Cost of Greenhouse 
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Gases, United States Government, in Feb-
ruary 2021; 
(iii) the document entitled ‘‘Technical 
Support Document: Technical Update of 
the Social Cost of Carbon for Regulatory 
Impact Analysis Under Executive Order 
12866’’, published by the Interagency 
Working Group on Social Cost of Carbon, 
United States Government, in May 2013 
and revised in November 2013 and July 
2015, and published and revised by the 
Interagency Working Group on the Social 
Cost of Greenhouse Gases, United States 
Government, in August 2016; 
(iv) the document entitled ‘‘Regu-
latory Impact Analysis for the New Source 
Performance Standards for Greenhouse 
Gas Emissions from New, Modified, and 
Reconstructed Fossil Fuel-Fired Electric 
Generating Units; Emission Guidelines for 
Greenhouse Gas Emissions from Existing 
Fossil 
Fuel-Fired 
Electric 
Generating 
Units; and Repeal of the Affordable Clean 
Energy Rule’’, published by the Adminis-
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trator of the Environmental Protection 
agency in April 2024; 
(v) the document entitled ‘‘Regulatory 
Impact Analysis for the Final Federal 
Good Neighbor Plan Addressing Regional 
Ozone Transport for the 2015 Ozone Na-
tional Ambient Air Quality Standard’’, 
published by the Administrator of the En-
vironmental Protection agency in March 
2023; 
(vi) the document entitled ‘‘Regu-
latory Impact Analysis for the Final Na-
tional Emission Standards for Hazardous 
Air Pollutants: Coal- and Oil-Fired Elec-
tric Utility Steam Generating Units Re-
view of the Residual Risk and Technology 
Review’’, published by the Administrator of 
the Environmental Protection agency in 
April 2024; 
(vii) the document entitled ‘‘Benefit 
and Cost Analysis for Supplemental Efflu-
ent Limitations Guidelines and Standards 
for the Steam Electric Power Generating 
Point Source Category’’, published by the 
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Administrator of the Environmental Pro-
tection agency on April 18, 2024; or 
(viii) any successor or substantially 
related document; and 
(B) any other estimate of the monetized 
damages associated with an incremental in-
crease in carbon dioxide emissions in a given 
year. 
(3) SOCIAL
COST
OF
GREENHOUSE
GASES.— 
The term ‘‘social cost of greenhouse gases’’ means— 
(A) the estimate of the social cost of any 
greenhouse gas that is described in— 
(i) the document entitled ‘‘Technical 
Support Document: Social Cost of Carbon 
for Regulatory Impact Analysis Under Ex-
ecutive Order 12866’’, published by the 
Interagency Working Group on Social Cost 
of Carbon, United States Government, in 
February 2010; 
(ii) the document entitled ‘‘Technical 
Support Document: Technical Update of 
the Social Cost of Carbon for Regulatory 
Impact Analysis Under Executive Order 
12866’’, published by the Interagency 
Working Group on Social Cost of Carbon, 
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United States Government, in May 2013 
and revised in November 2013 and July 
2015, and published and revised by the 
Interagency Working Group on the Social 
Cost of Greenhouse Gases, United States 
Government, in August 2016; 
(iii) the document entitled ‘‘Adden-
dum to Technical Support Document on 
Social Cost of Carbon for Regulatory Im-
pact Analysis under Executive Order 
12866: Application of the Methodology to 
Estimate the Social Cost of Methane and 
the Social Cost of Nitrous Oxide’’, pub-
lished by the Interagency Working Group 
on Social Cost of Greenhouse Gases, 
United States Government, in August 
2016; 
(iv) the document entitled ‘‘Technical 
Support Document: Social Cost of Carbon, 
Methane, and Nitrous Oxide Interim Esti-
mates under Executive Order 13990’’, 
published by the Interagency Working 
Group on Social Cost of Greenhouse 
Gases, United States Government, in Feb-
ruary 2021; or 
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