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Elon Musk is joining Twitter’s board of directors a day after disclosing that the Tesla CEO took a 9% stake in the social media platform.

Alphabet Inc.’s Wing is set to begin the largest drone-delivery test program so far in the U.S., starting April 7 in the Dallas suburbs.

Qualcomm wrapped up its acquisition of Veoneer’s advanced driver assistance/self-driving vehicle software arm on April 4, highlighting the San Diego company’s bid to become a key technology supplier to automakers as it diversifies beyond smartphones.

J.B. Hunt Transport Services Inc. launched a program April 4 to help customers offset the carbon footprint of their supply chain.

DETROIT — BMW has halted production at two German factories. Mercedes is slowing work at its assembly plants. Volkswagen, warning of production stoppages, is looking for alternative sources for parts.

AUSTIN, Texas — Tesla delivered 310,000 vehicles in the first quarter, up about 68% from the same period in 2021, the company said April 2.

Hertz Global Holdings Inc. plans to buy 65,000 electric vehicles from Polestar over the next five years, a bet that its renters are both EV-curious and eager to drive brands beyond Tesla.

Visa Inc. and Mastercard Inc. are planning a raft of changes to rules for gas stations to allow larger transactions after a surge in fuel prices across the U.S. made it hard for some drivers to fill up using credit cards.

The Biden administration ordered carmakers to increase their average fuel economy to about 49 mpg by 2026, in an ambitious effort to make up for progress stalled when President Donald Trump rolled back the efficiency program.

Jacobs Vehicle Systems, a worldwide manufacturer of engine retarding and valve actuation systems for the commercial vehicle industry, has upgraded the company’s engine brake on model-year 2021 MX-11 heavy-duty diesel engines from Paccar Inc.