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Electric vehicle sales growth, while still brisk, has begun to slow in the U.S. as inventory of battery-powered models piles up on dealer lots.

COLUMBUS, Ohio — The railroad industry has sued to block a new minimum crew-size requirement that Ohio imposed after a fiery train derailment in East Palestine in February.

Major truck and engine manufacturers have brokered a truce with California’s plan for phasing out sales of Classes 4-8 diesel-powered trucks in a landmark deal with state regulators.

Rivian Automotive Inc. is ready to take on more commercial partners beyond Amazon.com Inc. after a recent run of production success.

U.S. automobile safety regulators at the NHTSA are zeroing in on changes that Tesla has made to its Autopilot partially automated driving system.

General Motors Co. and Toyota Motor Corp. both posted strong sales gains in the second quarter, signs of consumer health in the auto market as semiconductor supply improves.

Amazon's electrification of its delivery fleet gained pace over the past six months while still lagging earlier targets. The e-commerce giant has rolled out more than 5,000 EVs in the past year.

Nikola Corp. delivered 45 battery-electric trucks wholesale and 66 trucks retail in the second quarter, the company announced July 5.

The Goodyear Tire & Rubber Co. introduced a new addition to the Cooper Work Series line, the company announced June 28.

Knight-Swift Transportation Holdings closed on its previously announced acquisition of U.S. Xpress Enterprises, the company announced July 5.