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

An 18-state coalition is backing the EPA in a legal action supporting California’s future strict emissions controls on medium- and heavy-duty trucks.

Legislation that would reauthorize the Diesel Emissions Reduction Act through fiscal 2029 was recently introduced in the U.S. Senate.

With the height of the busy summer travel season upon us, President Joe Biden is touting investments approved in 2021’s infrastructure law.

Threatened by possible shortages of lithium for electric car batteries, automakers are racing to lock in supplies of the mineral in a politically and environmentally fraught competition.

Facility electrification timelines for  heavy-duty trucking fleets are likely to be more protracted than carrier executives might expect, according to executives at power utilities.

A key U.S. automotive industry organization says it will set performance standards for Tesla’s electric vehicle charging cords in another move toward using the Tesla plug on all EVs.

Commercial electric vehicle startup Lordstown Motors Corp. has filed for Chapter 11 bankruptcy protection nearly two months after it warned that it was in danger of failing.

The Pennsylvania Motor Truck Association and four trucking company members are suing two commonwealth agencies over adoption of California's heavy-truck emission standards.