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Audits on EPA Recovery Act-funded Diesel Emission Reduction Act assistance agreements reported progr

United States. Environmental Protection Agency. Office of the Inspector General, author.
[Washington, D.C.] : U.S. Environmental Protection Agency, Office of Inspector General, 2014. 2014

Climate change: state and local efforts to reduce greenhouse gas emissions from vehicles : report to

United States. Government Accountability Office, author.
Washington, DC : United States Government Accountability Office, 2023. 2023

Diesel emission quantifier (DEQ) frequently asked questions (FAQs).

[Washington, D.C.] : United States Environmental Protection Agency, Office of Transportation and Air Quality, 2013. 2013

Diesel pollution fragmented federal program that reduce mobile source emissions could be improved :

United States. Government Accountability Office.
[Washington, D.C.] : U.S. Govt. Accountability Office, [2012] 2012

EPA finalizes regulations requiring onboard diagnostic systems on 2010 and later heavy-duty engines

[Washington, DC] : U.S. Environmental Protection Agency, Office of Transportation and Air Quality, 2008. 2008

Impact of fuel metal impurities on the durability of a light-duty diesel aftetreatment system

Society of Automotive Engineers, author.
[Golden, Colo.] : National Renewable Energy Laboratory, 2013. 2013

Inspection maintenance program requirements incorporating the onboard diagnostic check response to c

[Washington, DC] : U.S. Environmental Protection Agency, Office of Transportation and Air Quality, Transportation and Regional Programs Division, [2001] 2001

Interim and proposed technical support document nonconformance penalties for on-highway heavy-duty d

[Washington, D.C.] : U.S. Environmental Protection Agency, Office of Transportation and Air Quality, Assessment and Standards Division, [2012] 2012

Nonconformance penalties for heavy- duty diesel engines subject to the 2010 NOx emission standard re

[Washington, D.C.] : Assessment and Standards Division, Office of Transportation and Air Quality, U.S. Environmental Protection Agency, 2012. 2012