At 10:25 a.m. on Saturday, the National Weather Service reported an air quality alert in effect until Sunday at 2:30 a.m. for Allegheny County.

Electric vehicles were sold as a way to clean up city air, not just the climate. For years, that promise was more theory than ...

Electric vehicles were sold on a promise that cleaner streets would eventually mean cleaner lungs. For years, that claim rested largely on models and projections rather than what was actually ...

A study in California finds that even small increases in EVs lead to measurable drops in air pollution at the neighborhood level.

Last year, Trump used the Congressional Review Act to rescind California’s Advanced Clean Cars II waiver to phase out ...

NH car inspections were scheduled to end Jan. 31. Now a court ruling has put the brakes on that. Here's how it impacts ...

Colombian city launched its first clean air zone in one of its poorest neighbourhoods and has plans for green spaces too ...

The Trump administration on Wednesday took a step toward rolling back a rule that limits smokestack emissions that burden ...

All this month, the expiration of New Hampshire’s vehicle inspection and maintenance program, which the Legislature voted last summer to terminate, was looming as Jan. 31 grew nearer. Then, a federal ...

In Bishkek, the area known as the Golden Square, nestled in the city center and prized for its proximity to offices, schools and landmarks, is among ...

Researchers find that for every 200 EVs added in California between 2019 and 2023 there was a corresponding 1.1 per cent ...

His proposal to revive the state’s EV market would reach only a fraction of buyers, raising fresh questions about who should benefit and whether limited incentives can move a slowing market.