The rule delay comes as the Republican-controlled Congress is working to revoke California’s Clean Air Act waivers — the same ...

Dedicated spaces for delivery trucks allow last-mile deliveries to be made by cargo bikes, pushcarts and zero-emission ...

Better wood and better stoves are key components of cleaner air in a cold-weather region where atmospheric inversions trap ...

Republican Gov. Phil Scott has postponed a rule that would have required 35% of all vehicles delivered to Vermont car dealers ...

The Houston region's annual weighted average of high ozone days was 34.8 between 2021 and 2023. Ozone air pollution, also known as smog, can cause lung inflammation.

The northern Wasatch Front has some of the worst ozone pollution in the country. But the state of Utah says the region should ...

The lists are based on the average number of days declared 'unhealthy' by government environmental agencies, with the most ...

Environmental groups warned the proposals would pave the way for more oil and gas industry activity on public lands.

Between the two main engine types seen in automobiles around the world, there is a somewhat complicated gap in pollution ...

Electric vehicles (EVs) are often hailed as a key solution to reducing pollution and combating climate change. Unlike ...

The U.S. House of Representatives recently voted to use the Congressional Review Act to repeal California's ability to set ...