Laws & Regulations

Renewable Fuel Standard Compliance Deadline Extension

Renewable Fuel Standard Compliance Deadline Extension of 2019 and 2020 Renewable Fuel Standard Compliance and Attest Engagement

Fuel Economy Label Comparison

EPA fuel economy label that applies to 2008 to 2012 model year vehicle and EPA fuel economy label that applies to 2013 model year vehicle.

EPA and CARB Approve Second Phase of Emissions Modifications for Model Year 2015 2.0 Diesel Liter Vehicles

EPA and CARB Approve Second Phase of Emissions Modifications for Model Year 2015 2.0 Liter diesel Vehicles (April 18, 2018)

Regulations for Emissions from Heavy Equipment with Compression-Ignition (Diesel) Engines

EPA regulations related to smog, soot, and other air pollution from heavy equipment.

Regulations for Smog, Soot, and Other Air Pollution from Non-Electric Motorcycles

EPA regulations for onroad passenger cars and trucks related to smog, soot, and other air pollution

EPA Response to Petition from Biogenic CO2 Coalition (December 21, 2016)

This page is a response to the Biogenic CO2 Coalition’s petition for reconsideration of the final finding that greenhouse gas emissions from aircraft cause or contribute to air pollution that may reasonably be anticipated to endanger public health.

Reports related to Emissions Control Areas for Marine Vessels

Reports related to Marine Emissions Control Areas including Global Trade and Fuels Assessment, Modeling Sulfur Oxides Emissions Transport From Ships at Sea, Commercial Marine Emission Inventory Development

How should lead-containing wastes from RRP renovations be handled and disposed?

While at the work site, wastes must be collected at the conclusion of each work day and at the conclusion of the renovation and stored under containment, in an enclosure, or behind a barrier that prevents release of dust and debris out of the work area and prevents access to…

Last published: March 11, 2026

Antimicrobial Products Registered for Disinfection Use against Avian Influenza on Poultry Farms and Other Facilities

EPA registers disinfectants against Avian Influenza A. Although there are no antimicrobial products registered for the H5N2 subtype of Avian Influenza A virus, based on available scientific information these products will work against other HPAI strains.

Notification: Audit of Selected Contracts Used in the 2025 Southern California Wildfires Cleanup

Insect Resistance Management for Bt Plant-Incorporated Protectants

Bt plant-incorporated protectants are plants genetically altered to produce proteins that are harmful to certain insect pests. Learn how EPA regulates them.

EPA's Regulation of Biotechnology for Use in Pest Management

Find out how EPA and its regulatory partners deal with the unique regulatory challenges posed by the unique biological properties of the products of modern biotechnology.

CWA-309-2018-003: Administrative Order On Consent; Cabras Marine Corporation, Piti, Guam

Administrative Order On Consent in the matter of Cabras Marine Corporation 178 Industrial Avenue Piti, Guam 96915 for a Proceeding under Section 309(a) of the Clean Water Act, 33 U.S.C. § 1319(a). Docket No. CWA-309-2018-003.

Natural Resource Damages: Trustees

CERCLA and OPA authorize the United States, States, and Indian Tribes to act on behalf of the public as Natural Resource Trustees for natural resources under their respective trusteeship. OPA also authorizes foreign governments to act as Trustees.

Pinal County Air Quality Control District Greenhouse Gas PSD Delegation Agreement

PSD GHG Delegation agreement between EPA and Pinal County

Pima County Air Quality Control District Prevention of Significant Deterioration Delegation Agreement

This delegation agreement is for the entire Prevention of Significant Deterioration (PSD) program. This allows Pima County Air Quality District (Pima County ACQD) to issue PSD permits using 40 CFR 52.21

TDX Viewer Information

Application gives states, tribes, territories and regions near real-time access to the TRI data submitted by facilities through CDX.

OPA-09-2018-0005: Consent Agreement and Proposed Final Order; Vital Energy Inc., Tamuning, Guam

Consent Agreement and Proposed Final Order between the U.S. Environmental Protection Agency, Region 9 (“EPA”) and Vital Energy Inc, Tamuning, Guam.

Subpart W Rulemaking Activity

Background and supporting materials related to Subpart W rulemaking activity, including non-privileged records, conference call minutes, presentations and other documents.

CWA-309-2019-0002/RCRA-09-2019-0043: American Samoa Shipyard Services Authority and Territory of American Samoa

Clean Water Act Administrative Order on Consent (CWA-309-2019-0002) and Resource Conservation and Recovery Act Administrative Order on Consent (RCRA-09-2019-0043) issued to the American Samoa Shipyard Services Authority and Territory of American Samoa.