Unlike typical wildfires, smoke from the L.A. fires — consisting of toxic materials from burned down homes, cars, and more — ...

Environmental group blasts Trump’s plan to roll back auto emissions regulations: ‘Everyone with lungs will pay the price’ - ...

Federal emissions data show that Omaha's air quality ranks in the bottom third of U.S. cities, fouled in part by coal-fired ...

Republican-run states contend in a lawsuit that the agency's deadlines for the plans are arbitrary and capricious.

California has decided to abandon its phase out of diesel trucks and requiring cleaner locomotives because of the incoming ...

President-elect Donald Trump has promised to reverse dozens of President Joe Biden’s environmental rules and policies. But ...

President-elect Trump has threatened to revoke or challenge all zero-emission vehicle rules and California’s other clean-air ...

Utah’s newest GOP senator John Curtis praised President Donald Trump’s nominee to serve as administrator of the U.S.

Hino Motors will plead guilty to submitting false emissions data to regulators for more than 100,000 heavy-duty trucks. The ...

At these levels, this microscopic pollution becomes hazardous. Although the magnitude of the effects of this kind of ...

The Air Quality Index (AQI) can tell you a lot about the health of the environment, but there are still measures you can take ...

The air in 12 Texas counties exceeded federal soot standards, but Texas regulators say only four should face consequences.