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Tesla Inc. Chief Financial Officer Zachary Kirkhorn stepped down after 13 years at the electric vehicle maker, raising questions about succession in the top ranks of Elon Musk’s company.

DETROIT — The U.S. government’s most ambitious plan ever to slash planet-warming greenhouse gas emissions from passenger vehicles faces skepticism.

For the first time in California, one out of every four new cars sold in the last quarter were zero-emission vehicles, Gov. Gavin Newsom announced this week.

DUBAI, United Arab Emirates — Saudi Arabia said Aug. 3 it will extend its production cut of 1 million barrels of oil a day through the end of September in its effort to boost energy prices.

Electric-car charging company EVgo Inc. said CEO Cathy Zoi will retire in November and be succeeded by board member Badar Khan.

WASHINGTON — The Biden administration is delaying plans to restock the nation’s emergency oil reserve amid a price hike that has pushed oil above $80 a barrel.

Nikola began production of the Tre hydrogen fuel cell electric truck July 31 at its Coolidge, Ariz., factory, the company said.

A gravity-defying rally in electric vehicle startup Nikola Corp. is showing no signs of stopping, as the company’s latest efforts to conserve cash and secure funds reignites a stock fervor.

Tesla reportedly is seeking nearly $100 million from the U.S. to build nine electric semi-truck charging stations along a route from the southern border of Texas to northern California.

LONDON — Energy giant BP said Aug. 1 that it earned nearly $2.6 billion in the second quarter, almost half what it posted in the first quarter as oil and natural gas prices have fallen.