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Diesel prices dropped 2.8 cents a gallon on average to $3.855, according to Energy Information Administration data May 30.

San Francisco startup Verne is developing a lightweight hydrogen solution to power heavy-duty transportation. Co-founder Ted McKlveen talks about the company's plans.

Hours before Tesla Inc. and Ford Motor Co. announced their surprise charging partnership, Ford’s chief executive officer offered his take as to why the U.S. has been so slow to adopt electric vehicles.

Three Midwest governors urged the Environmental Protection Agency to revise its biodiesel volumes to encourage lower-cost fuel, support farmers and help decarbonize transportation.

Foxconn hasn’t made good on its pledge to acquire enough Lordstown shares to build an 18.3% stake in the company, and now a dispute threatens to sink the electric vehicle startup.

Nikola Corp. tumbled May 25 after Nasdaq Inc. notified the company that it isn’t in compliance with the minimum bid requirements to remain listed on the exchange.

MILAN — European governments have historically been more aggressive than the United States in regulating fuel consumption. That is about to change.

A proposal to roll back federal emission standards associated with heavy-duty commercial vehicles advanced to President Joe Biden, who has vowed to veto the legislation.

Fleets around the world experienced a 16% year-over-year decline in idling time in 2022, according to customer data from video telematics company Lytx.

Boeing Co. cautioned that the aerospace industry could suffer from supply disruptions for more than half a decade, delaying deliveries to airlines and hampering the rebound from COVID-19.