Learn the Issues

Non-CO2 Methodology Report

View the Global Non-CO2 Greenhouse Gas Emission Projections & Mitigation Potential: 2015-2050 report.

2024 Biennial Transparency Report

View the Global Non-CO2 Greenhouse Gas Emission Projections & Mitigation Potential: 2015-2050 report.

Global Mitigation of Non-CO2 GHGs Report: 2010-2030

View the report illustrating the abatement potential of non-CO2 greenhouse gases through a comprehensive global analysis and resulting data set of marginal abatement cost (MAC) curves. The report can be viewed as a whole or by individual section.

Text Version of the Gasoline Label

Text version of the new gasoline vehicle fuel economy label displays and details.

SmartWay Affiliate Agreement

This EPA agreement form allows freight shippers, carriers, and logistics companies to become members of the SmartWay Transport Partnership Program

Regulations to Reduce Mobile Source Pollution

View regulations and voluntary programs related to emissions from mobile sources.

True Cost of Car Ownership

This page is overview of costs associated with car ownership: car payment, fuel, parking, maintenance and repairs, taxes, registration, depreciation, along with time lost due to traffic or looking for parking. Includes graphic highlighting these costs.

What If: Ideas for Reducing Transportation Greenhouse Gases

Thought starters about potential ideas for reducing transportation carbon pollution.

Routes to Lower Greenhouse Gas Emissions Transportation Future

Information about the many paths forward to a lower carbon transportation future.

Reducing Diesel Emissions from Construction and Agriculture

Diesel emissions from construction and agricultural equipment: impact on health and climate.

Walter Coke RCRA Factsheet #4, Oct 2012 - Facility Cleanup

October 2012 factsheet announcing a new RCRA agreement for the Walter Coke site in Birmingham, Alabama.

Walter Coke RCRA Factsheet #3, Jan 2012 - Facility Cleanup

January 2012 one page RCRA factsheet announcing the drafting of a new Order for the Walter Coke site in Birmingham, Alabama.

Environmental Basics and Community Empowerment Workshop Workbook

Workbook for a workshop on environmental concerns, human health, chemical exposure, improving neighborhoods, & laws & programs, Birmingham, Alabama, July 9, 2011

Choosing and Using a Retrofit Refrigerant for a CFC-12 MVAC

Explains regulations for retrofitting motor vehicle air-conditioning systems to use alternatives to ozone-depleting substances.

Parties to the 2015 Administrative Order on Consent

Parties to the Red Hill 2015 Administrative Order on Consent including United States Navy, Defense Logistics Agency, Hawai'i Department of Health, and the United States Environmental Protection Agency, Region 9.

What materials from non-federal forestlands meet the definition of renewable biomass in RFS?

See More Frequent Questions about Fuels Registration, Reporting, and Compliance Help. Slash and pre-commercial thinnings from non-federal forestland that is not ecologically sensitive forestland qualify as renewable biomass for purposes of RFS. Slash is defined in 40 CFR 80.1401 as the residue, including treetops, branches and bark, left on the…

Last published: January 20, 2026