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

More targeted action against specific categories of polluting vehicles would produce better results, and cause less confusion ...

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 ...

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As cities expand and economies grow, the continent’s reliance on outdated, polluting transport is fueling a double ...

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

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 ...

Steam cars were among the earliest vehicles ... The concept was used in various experimental vehicles, demonstrating its ...