Air travel
Leading hydrogen aircraft startup is suddenly grounded
Universal Hydrogen had raised $100 million from investors to build hydrogen-fuel-cell aircraft. Now it's liquidating its business.
By Maria Gallucci .
Air travel
Transportation
United Airlines set to start using low-carbon jet fuel at O’Hare airport
The firm purchased up to 1 million gallons of sustainable aviation fuel for flights at the Chicago airport, a meaningful expansion of SAF use in the U.S.
By Aaron Mok .
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Air travel
Can corn ethanol really help decarbonize US air travel?
The Biden administration will allow ethanol producers to access tax credits for sustainable aviation fuel. Farmers and climate groups have mixed reactions.By Maria Gallucci .
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Hydrogen
How hydrogen 'e-fuels' can power big ships and planes
Aviation and international shipping are two huge climate polluters. Cleaning them up will likely require producing lots of hydrogen-derived fuels.By Maria Gallucci .
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Air travel
This Georgia refinery is making low-carbon jet fuel from alcohol
LanzaJet will produce millions of gallons of sustainable aviation fuel this year, just as the Biden administration finalizes rules for lucrative SAF tax credits.By Maria Gallucci .
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Air travel
Airlines have a big climate problem, and it’s not just CO2 emissions
A Virgin Atlantic flight made waves for flying without fossil fuels. But it was also a test for studying contrails, a hidden cause of global warming.By Maria Gallucci .
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Air travel
In a first, a major airline will cross the Atlantic without fossil fuels
Virgin Atlantic will use 100% sustainable aviation fuel on a flight from London to New York. It’s an important step toward slashing emissions from planes.By Maria Gallucci .
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Air travel
‘E-fuels’ are catching on as a way to decarbonize air travel
Massachusetts-based Lydian is the latest startup to raise funds to produce power-to-liquids fuels, which could emit less CO2 overall than fossil jet fuel.By Maria Gallucci .
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Air travel
The first hydrogen-powered planes are taking flight
Aircraft retrofitted with hydrogen fuel cells could slash CO2 emissions from small planes — and potentially pave the way for hydrogen jets, new study shows.By Maria Gallucci .
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Air travel
This new factory will turn CO2 into sustainable jet fuel
Startup Twelve broke ground on a commercial-scale facility in Washington state, which it says will be the first in the country to make sustainable aviation fuel from CO2.By Maria Gallucci .
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Air travel
Startup lands $23M to upcycle CO2 into plane fuel
OXCCU raised the Series A from investors including United Airlines, one of many airlines investing in "sustainable aviation fuel" as pressure to curb emissions mounts.By Maria Gallucci .
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