Automobiles

EVs charged in China produce two to five times as much smog-forming particulate matter and chemicals as gas-engine cars, studies find

Fuel use might drop in a driverless future

The Justice Department will seek billions for the harm caused by excess emissions

A look at how cars and trucks were changing business and society

Innovation and discovery as chronicled in Scientific American

Researchers engineered bitumen—the sticky black stuff in asphalt—to release its own salt, to battle the formation of ice. Christopher Intagliata reports

How U.S. regulations brought results where Europe failed

Children lack the hazard-perception skills of adults, but training could bolster their ability to stay safe on the street

Less polluting energy sources are proliferating in the U.S. If other nations join in, the results could have global impact

The scandal widens for the automotive industry

The illegal software was also in Porsche and Audi vehicles

New materials make prototype lithium–air batteries more durable