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

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

While Chevron’s new petrochemical furnace will lower its intensity of carbon emissions, it will also increase other harmful ...

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

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

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

This week, two more federal grants were doled out to Boston under the climate-conscious federal administration.

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 ...

Toyota Motor unit Hino Motors has agreed to a $1.6 billion settlement with US agencies and will plead guilty over excess diesel engine emissions in more than 105,000 US vehicles, the company and US ...