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WASHINGTON — All 50 states received final approval Sept. 27 to begin construction on a first nationwide network of electric vehicle charging stations that places one roughly every 50 miles along interstate highways, part of the Biden administration’s plan to spur widespread adoption of zero-emission cars.

The U.S. Department of Energy, the private sector and a new national nonprofit have stepped up their respective efforts recently to bring hydrogen forward as a mainstream fuel for trucking, among other industrial uses.

To better position the use of advanced energy in the nation’s heartland, governors of seven states have formed the Midwest Hydrogen Coalition to spur creation of a robust hydrogen market, supply chain and workforce.

TUCSON, Ariz. — Pony.ai, a developer of self-driving cars based in China and Silicon Valley, will begin testing its autonomous vehicles in Tucson, with trained safety drivers behind the wheel, in a partnership with Pima Community College.

Tesla was forced to recall more than 1 million electric cars in the United States over windows that could pinch occupants as they’re being rolled up.

HANOVER, Germany — Nikola Corp. unveiled a prototype of a European-spec fuel cell-powered Nikola Tre Class 8 model and also announced that it is taking orders for the battery-electric version in the region.

Nikola Corp. founder Trevor Milton wasn’t truthful when he claimed his company was responsible for most of the components in a planned pickup truck General Motors Co. was to build for the electric vehicle maker, a GM engineer testified.

Saying they had a “moral obligation,” California regulators could soon ban the sale of diesel big rigs by 2040.

DETROIT — The National Transportation Safety Board is recommending that all new vehicles in the U.S. be equipped with blood alcohol monitoring systems that can stop an intoxicated person from driving.