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The California Air Resources Board on Feb. 8 unanimously approved plans to retain two Obama administration Phase 2 greenhouse gas emissions rule provisions for medium- and heavy-duty trucks that would regulate glider kits and trailer emissions.

MOUNT VERNON, Wash. — Kenworth Truck Co. is wrapping up tests on a zero-emissions hydrogen-electric Class 8 truck that will be operating in drayage applications in Southern California by the end of March, company executives said.

Three years ago, the head of Google’s self-driving car project emailed co-founders Larry Page and Sergey Brin to sound an alarm.

Tesla Inc. hasn’t thrown its plan to demonstrate an autonomous cross-country drive out the window — it’s just tapped the brakes.

Snow-covered blacktop can be a big problem for autonomous vehicles, which to this point largely use cameras that zero in on lane markings to guide the car down the highway.

Travis Kalanick got some vindication in court on Feb. 7. Under friendly cross-examination by a lawyer for Uber — the ride-hailing company he co-founded and led until it ousted him last June — Kalanick got a chance to present himself as an earnest guy who loved his work, cared about the future and didn’t take illicit shortcuts as he competed aggressively in the race for self-driving cars.

The term generic might imply a reasonable, cost-effective choice at the grocery store, but Fiat Chrysler Automobiles CEO Sergio Marchionne says it’s no way to think about cars.

Will County, Ill., plans to more than double its permit costs for overweight trucks, offer an online application process for them and update its designated truck routes.

Subdued. Calm. Compliant. Agreeable. Those adjectives aren’t typically associated with Travis Kalanick, Uber’s combative co-founder. But during 50 minutes on the witness stand in the Waymo vs. Uber trial on Feb. 6, a suit-and-tie-clad Kalanick kept his cool, meekly agreeing with most questions posed to him by Charles Verhoeven, Waymo’s lead attorney.

WEST PALM BEACH, Fla. — Daimler Trucks North America announced the addition of the Detroit DD8 diesel engine to its medium-duty lineup.