Environment ❯ Air Quality

Emissions Standards

Vehicle Emissions Vehicle Regulations Electric Vehicles International Regulations Regulatory Programs California Air Resources Board Energy Efficiency Transportation Diesel Emissions Energy Production Impact Automotive Industry Climate Change Mercury Emissions State Regulations Automotive Emissions Clean Air Act Greenhouse Gases Government Regulations Pollution Impact ICAO Regulations Regulatory Framework Pollution Control Automobile Industry Gas-Powered Vehicles Regulatory Agencies Greenhouse Gas Regulations Zero-Emission Vehicles

Trump Orders EPA to Ease Rules on Vehicle Emissions Repairs

The nonbinding memorandum asks the EPA to clarify lawful repair work, speed alternative certification to reduce California CARB's bottleneck, and consider lowering civil tampering enforcement.

California Sues EPA Over Reclassification of Clean Air Waivers

EPA Sends Four California Waivers to Congress, Opening Path for Fast-Track Repeal

DOJ Halts Criminal Cases Over Vehicle OBD ‘Defeat Devices,’ Shifts to Civil Enforcement

‘Diesel Brothers’ Host Heavy D Arrested on Contempt Order in Clean Air Act Case

California Kills 'Leno’s Law,' Ending Bid for Rolling 35-Year Smog Exemption

Illinois Launches South Side Mobile Emissions Testing Pilot in Chicago

Justice Department and Major Truckmakers Sue to Halt California’s Clean Truck Partnership

Supreme Court Grants Fuel Producers Right to Sue Over California Emissions

Trump Revokes California’s Emissions Waiver, Prompting Multistate Lawsuit

Senate Overturns California's Vehicle Emissions Waiver, Sending Resolution to Trump