A second Trump Administration is likely to rescind or replace mobile source emissions and fuel economy standards that target greenhouse gas reductions, with the goal of reducing pressure on ...

President Donald Trump has been proposing new emissions standards, which are due to come into effect by 2027 at the earliest.

Millions of Pennsylvania drivers could catch a break on their annual vehicle inspections if a bill winding its way through ...

The federal government’s crackdown on emissions tuning just took a major turn, and this time it’s not aimed only at companies ...

The second Trump Administration is likely to take steps to lessen the pressure for traditional manufacturers to introduce electric vehicles into the market. The second Trump Administration is likely ...

EPA proposes delaying Tier 4 standards for light and medium-duty vehicles until 2029 to match current market demands.

The Environmental Protection Agency appears on the brink of ending mandatory vehicle emissions testing in North Carolina.

When the Biden administration set new auto emissions standards, it was a landmark climate move; passenger vehicles currently account for more than a quarter of U.S. greenhouse gas emissions. But the ...

(TestMiles) – This move effectively strips the EPA of its legal basis to regulate CO₂ and other vehicle emissions under the Clean Air Act. Reversing the endangerment finding jeopardizes the 2027–2032 ...

The Environmental Protection Agency is moving to roll back one of the most consequential regulations in U.S. automotive history. The EPA has proposed rescinding the 2009 Endangerment Finding, which ...

Emissions inspections are required in 25 counties. The bill would have to pass the state House before going to Shapiro.

Some lawmakers argue the requirement is unfair as most of southeast Wisconsin's ozone comes from out-of-state pollutants.