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

A new real-time monitoring system captures minute-by-minute changes in toxic metals resulting from traffic pollution.

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With 7 of its most ambitious rules for cars, trucks and trains repealed, California officials now must find new ways to clean ...

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

When President Donald Trump signed legislation to revoke California’s authority to enforce stricter tailpipe emissions ...

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 ...

While the Commission for Air Quality Management (CAQM) has barred petrol cars older than 15 years and diesel vehicles over 10 ...

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 ...

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 ...