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WASHINGTON — The Treasury Department said Feb. 3 it is making more electric vehicles eligible for tax credits of up to $7,500 under new vehicle classification definitions.

A group of around 86 Nissan North America Inc. technicians at a Tennessee manufacturing plant can vote on unionization, the U.S. labor board ruled.

TuSimple Holdings Inc., an autonomous trucking startup that’s been the subject of U.S. investigations, said it hasn’t shared self-driving technology with another startup with Chinese ties.

LAS VEGAS — Daimler Truck North America has unveiled its SuperTruck II high-efficiency tractor-trailer combination, featuring freight efficiency gains that the company said are built around equipment and components central to real-world tractor-trailer operation.

SACRAMENTO, Calif. — As California regulators explore new rules to put self-driving semitrucks on the road, labor unions are rushing to the state Legislature to ask for a new law they say will protect their jobs.

The U.S. Justice Department has requested documents from Tesla Inc. related to its Autopilot and “Full Self-Driving” features, according to a regulatory filing.

ST. PAUL, Minn. — The Minnesota Court of Appeals on Jan. 30 upheld the state’s “Clean Car Rule,” which ties the state’s vehicle emission standards to California regulations.

State transportation officials want to get the word out to thousands of truckers using the Idaho 511 Trucking app that they need to switch to a new 511 state travel system because the other doesn’t work now.

General Motors Co. has taken a central role in pushing the Treasury Department to change how the government defines a sport utility vehicle and expand how many buyers can get electric vehicle tax credits.