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WASHINGTON — President Joe Biden, a self-described “car guy,’’ often promises to lead by example on climate change by moving swiftly to convert the sprawling U.S. government fleet to zero-emission electric vehicles. But efforts to eliminate gas-powered vehicles from the fleet have lagged.

Auto sales to rental fleets used to be seen as a sign of failure. With the dawn of the electric vehicle age, that’s changing.

Toyota Motor Corp. plans to keep gas-powered cars as a key part of its lineup, rejecting efforts by rivals to go fully electric amid concerns over how quickly consumers will embrace new technologies.

Members of the International Council on Mining and Metals are planning a joint effort to test hydrogen and other zero-emission technologies in a bid to shift away from diesel-fueled vehicles.

Ford Motor Co.’s redesigned F-Series Super Duty pickup may lack the sex appeal of the Mustang introduced earlier this month, but this hulking warhorse is critical to funding the automaker’s electric future.

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.

Cemvita Factory Inc., a Houston-based biotech company backed by Occidental Petroleum Corp., says tax credits passed by Congress last month will allow it scale up plans to produce hydrogen using oil-eating microbes.

HANOVER, Germany — Industry partnerships for production of diesel engines are a potential next step for manufacturers spreading resources across rapidly evolving alternative power sources, and an announcement on such an initiative could arrive sooner rather than later, Daimler Truck executives said during the IAA Transportation 2022 conference.

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.