Transportation

Self-driving cars are expanding their ranges in a handful of U.S. cities, but the reality doesn’t yet match the hype

Amtrak will soon get 28 high-speed rail cars. But they won't operate at high speeds because Amtrak tracks are outdated

Longer, more intense heat waves fueled by climate change could make it harder for planes to get off the ground

Hackers have already infiltrated electric vehicle chargers, usually for innocuous reasons, but bad actors could use that foothold to bring down the power grid

Clear-air turbulence is becoming more frequent and more intense as the atmosphere warms

More than 42,000 highway bridges across the country are in “poor” condition, according to national bridge inspection standards

A submersible called Titan has gone missing on a dive to the remains of of the Titanic

California state regulators are expected to approve regulations imposing stricter climate rules on trains and trucks, but the charging infrastructure to power them is lacking

Every question we have about the airborne objects that may or may not be spying on the U.S.

Converting the existing U.S. car fleet to electric vehicles would require more lithium than the world currently produces, showing the need to move away from private cars as a primary means of travel

Department of Energy researchers are partnering with battery manufacturers to help them find new ways to make cheap batteries that can store a lot of energy

Last-mile delivery by a small drone takes much less energy per package than delivery by diesel truck