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WASHINGTON — Overshadowed by the tailpipe emissions rule, the Department of Energy finalized changes to a calculation that could impact automakers’ ability to sell gas-powered vehicles.

WILMINGTON, Del. — The Biden administration pledged on April 8 to provide up to $6.6 billion so that a Taiwanese semiconductor giant can expand the facilities it is building in Arizona.

The weight of electric vehicles batteries should be halved over the next decade in order to make the cars more efficient and environmentally friendly, Stellantis NV CEO Carlos Tavares said.

WEST LAFAYETTE, Ind. — A major South Korean computer chipmaker said April 3 it plans to spend more than $3.87 billion in Indiana to build a semiconductor packaging plant and research center.

PC-12 will replace the current API CK-4 and FA-4 engine oils, but there are still hurdles ahead of the finish line.

BEIJING — China filed a World Trade Organization complaint against the U.S. on March 26 over what it says are discriminatory requirements for electric vehicle subsidies.

Exxon Mobil pressed the case for hydrogen produced from natural gas to receive U.S. tax credits under the IRA after signing an accord to sell the fuel to Japan’s biggest power provider.

Contemporary Amperex Technology Co. Ltd. is working on faster charging batteries for Tesla Inc. as Elon Musk’s automaker seeks to defend its market share and roll out an electric car for under $25,000.

CHANDLER, Ariz. — President Joe Biden celebrated an agreement to provide Intel with up to $8.5 billion in direct funding and $11 billion in loans for computer chip plants around the country.