Certain vehicles now face tougher emissions checks under updated federal rules, and that could affect […] ...

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 ...

Emissions testing laws are a crucial component in the fight against air pollution and climate change, yet these regulations ...

The Biden administration announced new automobile emissions standards Wednesday that officials called the most ambitious plan ever to cut planet-warming emissions from passenger vehicles. The new ...

Cooperative federalism will return but is less likely for mobile sources. The incoming Trump Environmental Protection Agency (“EPA”) is likely to coordinate with states on environmental enforcement ...

(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 ...