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Downspeeding saves fuel, and with aerodynamics and tires continuing to improve, truck manufacturers are experimenting with still lower rear axle ratios.

Diesel technician jobs are becoming more high-tech and specialized as truck manufacturers progressively adopt digital componentry. The profession is suffering from a worker deficit, and fleets find themselves hiring recruits fresh from technician school.

After two decades of use in Europe, electronic braking systems will make significant inroads in the North American commercial vehicle market in the coming years to support the development of driver-assist technology and electric trucks, some industry experts said.

Volkswagen AG CEO Herbert Diess is preparing to muscle Elon Musk out of the electric-car lead.

Electric vehicles are becoming more economically competitive with their gas-fueled counterparts and people are feeling less “range anxiety” about how far they can get on a charge, according to new research by AAA.

The Trump administration’s proposal to streamline the environmental permitting process for infrastructure projects deserves a comment period of at least half a year, more than 100 congressional Democrats insisted in a recent letter to the Council on Environmental Quality.

Tesla Inc.’s legal victory to sell its electric vehicles in Michigan without dealers could clear a path for other carmakers to follow.

The feature is being tested across some airport routes “to preserve flexible work” for California drivers, a spokesman said.

Refiner Phillips 66 and Renewable Energy Group Inc. announced they are discontinuing their joint effort to construct a large-scale renewable diesel plant in Ferndale, Wash., citing permitting uncertainties.

The service still being developed by GM’s Cruise subsidiary will rely on a boxy, electric-powered vehicle called “Origin” that was unveiled late Jan. 21 in San Francisco amid much fanfare.