Gas-powered cars and diesel trucks remain the state’s largest sources of smog and soot despite decades of cutting emissions.

With 7 of its most ambitious rules for cars, trucks and trains repealed, California officials now must find new ways to clean up the nation’s worst air pollution. But officials face growing pushback ...

Public Investigator asked the Department of Transportation why tests are still required, and what options exist for people ...

A new study has found that long-term exposure to air pollution may silently damage the heart—even before any symptoms of ...

With 7 of its ambitious rules for cars, trucks and trains repealed, California officials must find new ways to clean up the ...

Traffic cops are fully within their rights to not only fine you, but peel off the film on the spot. Yes, even if you argue it ...

The ongoing debate in Delhi about vehicle pollution intensifies as experts question the effectiveness of the CAQM directive that targets older vehicles. Can better fuel and emission standards, rather ...

Electric cars are increasingly common due to their potential environmental benefits, but a new study suggests that high ...

Harmful air pollutants on U.K. pavements generated by diesel cars could be slashed by a third if car exhausts were positioned on the right, according to a new study published in ACS ES&T Air.

New research from the University of York has managed to quantify the benefits to roadside air quality in the UK if all diesel ...

Harmful air pollutants on UK pavements generated by diesel cars could be slashed by a third if car exhausts were positioned ...