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With 7 of its most ambitious rules for cars, trucks and trains repealed, California officials now must find new ways to clean ...

In Southern California, large warehouses must take steps to reduce the pollution caused by truck visits, either by switching ...

So happy smogiversary, Los Angeles. We can breathe a lot easier than we used to, but don't let that fool you — we still have the worst air quality in America — a distinction the American Lung ...

Pakistan’s electric vehicle (EV) industry is still in its infancy, with experts comparing it to a newborn baby that needs ...

NOx pollution occurs when nitrogen oxides are released as a gas into the atmosphere during the high-temperature combustion of fossil fuels. These nitrogen oxides consist mainly of two molecules ...

As cities expand and economies grow, the continent’s reliance on outdated, polluting transport is fueling a double ...

One of the things I find difficult to understand in a city with low emission zones is why we allow some of the most heavily ...

Delhi Environment Minister Manjinder Singh Sirsa on Tuesday welcomed the Centre for Air Quality Management’s decision to defer the implementation of the fuel ban on overage vehicles, calling it a ...

India must accelerate its transition to electric vehicles to meet climate goals, enhance energy security, and seize a 50-million-job opportunity.