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Plug Power Inc.’s bid to become a major supplier of carbon-free hydrogen just won the backing of one of the company’s oldest customers: Walmart Inc.

The trucking industry urged federal regulators to consider how a proposal to tighten emissions limits on engines will affect motor carriers, as they’re the ones who will ultimately deploy the equipment subject to the new rules.

Elon Musk has made a controversial offer to buy Twitter Inc., saying the company has extraordinary potential and he is the person to unlock it.

In an all-day virtual hearing, many of the roughly 140 parties commenting expressed support for the U.S. Environmental Protection Agency’s proposed new rule to tighten nitrogen oxides emissions. Others, however, either viewed the effort as a lost opportunity or attacked it as an overreach.

Amazon.com Inc. will charge businesses that sell products on its website a 5% fuel and inflation fee beginning April 28, according to documents reviewed by Bloomberg, a first for the company.

A Japanese electric-vehicle battery technology company will build a factory in Kentucky, creating 2,000 jobs in a $2 billion investment that reinforces the state’s leadership in battery production, Gov. Andy Beshear said April 13.

As electric vehicle sales take off, the number of them on the road is growing faster than the number of public charging points to support them.

Tesla Inc. will start production next year of three products that have fallen well behind Elon Musk’s original schedule, including the Semi.

HOUSTON — Ports in the United States have a historic opportunity to upgrade aging infrastructure with billions of dollars in federal funding that will prepare facilities for years’ worth of expected growth in freight movement and ready them for a future where many are targeting eventual carbon-neutral operations.

DETROIT — Toyota customers soon won’t be able to get U.S. federal tax credits for buying electric or hybrid vehicles.