Regulations for Emissions from Vehicles and Engines - US EPA
Dec 9, 2025 · Regulations for smog, soot and toxic pollution from vehicles and engines.
United States vehicle emission standards - Wikipedia
United States vehicle emission standards are set through a combination of legislative mandates enacted by Congress through Clean Air Act (CAA) amendments from 1970 onwards, and …
On March 20, 2024, EPA released a final tailpipe emissions rule that sets new, more stringent emissions standards for greenhouse gas (GHG) and criteria pollutants for light-duty and …
The EPA proposes gutting its greenhouse gas rules. Here's what it …
Jul 29, 2025 · The regulations that require automakers to build more efficient, cleaner vehicles are being loosened under the Trump administration.
er the industry-wide average for LDVs by 50% and for MDVs by 44%, both compared with the MY 2026 standards. Additionally, the rule establishes a new Tier 4 criteria pollutant emissions …
Everything You Need to Know about EPA’s New Clean Car Emissions Standards
Mar 26, 2024 · Last week, the Biden Administration finalized the newest, and strongest, set of vehicle emissions standards for new passenger cars and trucks. These new rules apply to all …
Regulations for Greenhouse Gas Emissions from Passenger Cars …
Jul 29, 2025 · Below is a list of all regulations related to GHG emissions from light-duty passenger cars and trucks. Click the regulation titles for additional information, including: Fact sheets.
What’s in the EPA’s New Pollution Standards for Cars and Trucks …
Oct 10, 2023 · On April 12, 2023, the EPA released two performance-based rules for manufacturers regulating greenhouse gases (GHG) and criteria pollutants — particulate matter …
New EPA vehicle standards would cut US emissions, ramp up
Mar 20, 2024 · Amid a contentious election -year debate over the future of U.S. auto manufacturing, the Environmental Protection Agency on Wednesday announced new vehicle …
On April 12, 2023, the Environmental Protection Agency (EPA) proposed more protective air pollution and greenhouse gas emissions standards for light-, medium-, and heavy-duty …