Thousands of microplastics so small they can penetrate deep into the lungs are in the air you breathe in your home and car, a new study has found.

EV vs hybrid vs gas: which pollutes more, which lasts longer, and which costs society the most in hidden health and climate ...

Documents outlining the EPA's plan to roll back vehicle emission standards reference California by name 27 times.

The Environmental Protection Agency’s plan this week to relax rules aimed at cleaning up auto tailpipe emissions is the ...

C urbing climate change was never going to be easy. The fundamental energy balance of a planet cannot be changed overnight; nor can a fossil-fuel-based economy that serves billions of people be ...

The EPA has proposed a measure to cancel the “Endangerment Finding”, which could undo many regulations that cut emissions ...

Americans could save billions each year under a proposal from the Environmental Protection Agency. But only under ideal economic conditions.

The Trump administration has effectively eliminated two rules designed to promote cleaner cars. Now, as the EPA suggests not ...

The 2009 climate “endangerment finding” serves as the scientific and legal basis for many of EPA’s rules that limit ...

India's capital banned fuel sales to aging vehicles on Tuesday as authorities try to tackle the sprawling megacity's hazardous air pollution.