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Photo: Mike Cohen/Getty Images for The New York Times

ZeroAvia, a startup looking to commercialize hydrogen fuel cell-powered aviation, secured over $21 million from backers including the Bill Gates-led Breakthrough Energy Ventures, Amazon and Shell.

Why it matters: Aviation is a substantial source of carbon emissions and finding ways to wring emissions from the sector is a big challenge, so these efforts are worth watching.

Driving the news: "The Series A funds the next phase of the company’s R&D program, which focuses on developing and testing the certification-ready ZA-600 powertrain capable of flying 10-20 seat aircraft up to 500 miles," the announcement states.

The company also said it received $16.3 million from the U.K. government in a bid to make a 19-seat hydrogen-electric plane "market-ready" by 2023.

The big picture: ZeroAvia said that by 2026 it hopes to have technology ready that can enable flights of over 500 in planes with up to 80 seats, and by 2030 extend that to flights of over 1,000 miles in planes with over 100 seats.

Go deeper

Oct 6, 2020 - Economy & Business

Boeing expects to sell fewer planes over the next decade

(Photo by DANIEL SLIM/AFP via Getty Images)

Boeing expects demand for commercial airplanes over the next decade to be 11 percent lower than what it was forecasting just a little over a year ago — a direct result of the economic shock from the coronavirus pandemic.

  • Yes, but: Long-term growth rates should return after 2030, the company said Tuesday.

Why it matters: The pandemic upended what had been a long, steady ascent for the global aviation industry, with U.S. domestic passenger traffic down 70 percent and by as much as 90 percent internationally.

Mike Allen, author of AM
5 mins ago - Politics & Policy

Biden-Harris, Day 1: What mattered most

President Joe Biden and first lady Dr. Jill Biden arrive at the North Portico of the White House. Photo: Alex Brandon-Pool/Getty Images

The Axios experts help you sort significance from symbolism. Here are the six Day 1 actions by President Biden that matter most.

Driving the news: Today, on his first full day, Biden translates his promise of a stronger federal response to the pandemic into action — starting with 10 executive orders and other directives, Caitlin Owens writes.

Read: Pete Buttigieg's opening statement ahead of confirmation hearing

Pete Buttigieg, President Biden's nominee to be secretary of transportation, in December. Photo: Kevin Lamarque/AFP via Getty Images

Pete Buttigieg, President Biden's nominee to lead the Transportation Department, will tell senators he plans to prioritize the health and safety of public transportation systems during the pandemic — and look to infrastructure projects to rebuild the economy — according to a copy of his prepared remarks obtained by Axios.

Driving the news: Buttigieg will testify at 10 a.m. ET before the Senate Committee on Commerce, Science and Transportation. He is expected to face a relatively smooth confirmation process, though GOP lawmakers may press him on "green" elements of Biden's transportation proposals.