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California is the “incubator” for commercial vehicle innovation that will spread throughout the nation, generating a wave of new powertrains and driver-assistance technologies designed to decrease truck emissions and increase safety and freight efficiency, a vehicle engineering consultant said.

A notice from the U.S. Environmental Protection Agency to revisit parts of the Phase 2 final rule on greenhouse gas emissions from heavy- and medium-duty trucks isn’t likely to create changes quickly, as the agency has not presented plans for expedited action and environmental groups are vowing to pursue a challenge in a federal appeals court — once the case is no longer being held in abeyance.

Parked east of the California Capitol steps was a long line of vehicles as clean as they were large, including a yellow school bus, a UPS delivery truck and an AC Transit bus — all with electric or hybrid motors.

TT's Seth Clevenger and Eric Miller discuss the impact of the Aug. 28 announcement that CVSA will employ a "phased-in" enforcement of the electronic logging device mandate that takes effect Dec. 18, 2017.

COLUMBUS, Ind. — Cummins Inc. has unveiled a concept truck with an all-electric powertrain, highlighting the diesel engine manufacturer’s commitment to electric power as an important part of its future.

Facing a future in which private car ownership may fade, Daimler is ramping up efforts to create new products and services — even business models.

No ring of the doorbell, just a text. No tip for the driver? No problem in this test, where Domino’s and Ford are teaming up to see if customers will warm to the idea of pizza delivered by driverless cars.