Laws & Regulations

Fact Sheet: Final Rule Determining Widespread use of Onboard Refueling Vapor Recovery and Waiver of Stage Two Requirements

Read the May 2012 factsheet on the rule that waived the requirement that current and former ozone nonattainment areas classified
Serious and above, implement Stage II vapor recovery systems on gasoline pumps.

New Hope Power Company Greenhouse Gas (GHG) Final Permit Documents Issued By EPA Region 4

Draft Permit and Draft Preliminary Determination for New Hope Power Company Greenhouse Gas Permit

Chicago Heights/Missouri Metals Facility, St. Louis, St. Louis County, Missouri – Fact Sheet, July 2022

Public Comment Period for Proposed Remedy and Public Availability Session

Polychlorinated Biphenyl (PCB)-Containing Fluorescent Light Ballasts (FLBs) in School Buildings

PCB-Containing Fluorescent Light Ballasts (FLBs) in School Buildings
A Guide for School Administrators, Building Owners and Managers and Maintenance Personnel

Reallotment of Fiscal Year 2022 (2nd Round) and Fiscal Year 2023 CWSRF IUA EC Memo

Reallotment of Fiscal Year 2022 (2nd Round) and Fiscal Year 2023 Infrastructure Investment and Jobs Act Clean Water State Revolving Fund Emerging Contaminants Funds

Outer Continental Shelf Air Permits

Provides information and links to EPA's Outer Continental Shelf air permitting requirements.

Rule 22 Final Rule Notice

This final action modifies the use conditions required for use of three flammable refrigerants.

Environmental, Health, and Flammability Info on Substitutes for HCFC-22 and 142b

Fact Sheet: Final Rule 25 - Listing of Substitutes under the Significant New Alternatives Policy Program in Refrigeration, Air Conditioning, and Fire Suppression

Section 612 provides that EPA must prohibit the use of a substitute where EPA has determined that there are other available or potentially available substitutes that pose less overall risk to human health and the environment.

Final Rule for Phase 2 Emission Standards for New Nonroad Spark-Ignition Nonhandheld Engines At or Below 19 Kilowatts

Emission regulations to control emissions from new nonroad spark-ignition nonhandheld engines at or below 19 kilowatts (25 horsepower). These engines are used principally in lawn and garden equipment in applications such as lawnmowers and garden tractors.

Final Rule (signed September 26, 2016)

New Listings of Substitutes; Changes of Listing Status; and Reinterpretation of Unacceptability for Closed Cell Foam Products under the SNAP Program; and Revision of Clean Air Act Section 608 Venting Prohibition for Propane.

Final Rule for Control of Air Pollution From New Motor Vehicles and New Motor Vehicle Engines: Voluntary Standards for Light-Duty Vehicles

The National LEV program demonstrates how cooperative, partnership efforts can produce a smarter, cheaper program that reduces regulatory burden while increasing protection of the environment and public health.

Final Rule for Control of Air Pollution From Motor Vehicles and New Motor Vehicle Engines; Increase of the Vehicle Mass for 3-Wheeled Motorcycles

This action changes the regulatory definition of a motorcycle to include 3-wheeled vehicles weighing up to 1749 pounds effective for 1998 and later model year motorcycles for which emission standards are in place.

Final Rule for Amendment to Emission Requirements Applicable to New Gasoline Spark-Ignition Marine Engines

This rulemaking amends the regulations applicable to new gasoline spark-ignition marine engines to address an oversight regarding the production line testing program in the final regulations published on October 4, 1996, (61 FR 52087).

Final Rule for Control of Emissions From Nonroad Large Spark-Ignition Engines, and Recreational Engines (Marine and Land-Based)

Includes rule summary, rule history, CFR citations and links to Federal Register notice, summary of comments, final regulatory support document, proposed rule, fact sheet and FAQs.

Final Rule for Phase 1 Greenhouse Gas Emissions Standards and Fuel Efficiency Standards for Medium- and Heavy-Duty Engines and Vehicles

EPA and NHTSA, on behalf of the Department of Transportation, have each finalized rules to establish a comprehensive Heavy-Duty National Program that will reduce greenhouse gas emissions and fuel consumption for heavy-duty highway vehicles.

Proposed Rule and Related Materials for Greenhouse Gas Emissions Standards and Fuel Efficiency Standards for Medium- and Heavy-Duty Engines and Vehicles

EPA and NHTSA, on behalf of the Department of Transportation, each proposed rules to establish a comprehensive Heavy-Duty National Program to reduce greenhouse gas emissions and increase fuel efficiency for onroad heavy-duty vehicles.

Final Rule for Determination of Significance for Nonroad Sources and Emission Standards for New Nonroad Compression-Ignition Engine at or Above 37 Kilowatts

EPA finalized the determination of significance of emissions from large, nonroad, compression-ignition (CI) engines at or above 37 kilowatts (kW) in power

Final Rule for Control of Emissions of Air Pollution From Nonroad Diesel Engines and Fuel

Proposed Rule for Control of Emissions of Air Pollution From Nonroad Diesel Engines and Fuel

Proposed Rule and Related Materials for Control of Emissions of Air Pollution from 2004 and Later Model Year Heavy-Duty Highway Engines and Vehicles; Revision of Light-duty Truck Definition

Includes links to Federal Register notice, fact sheet and final rule.