The president’s plans to cut emissions in half by 2030 relies heavily on a government effort to steer the development of new industries, but business leaders are fretting over the rapid timeline.
Hitting the targets could require a rapid shift to electric vehicles, the expansion of forests nationwide, development of complex new carbon-capture technology and many other changes, researchers said.
Federal regulators are investigating 23 recent accidents in which drivers were, or may have been, using the automatic steering and braking system.
