The first fully hydrogen-powered passenger train service is now running in Germany

The first fully hydrogen-powered passenger train service is now up and running. Coradia iLint trains built by Alstom are running on the line in Lower Saxony, Germany. The only emissions are steam and condensed water, and Alstom notes that the train operates with a low level of noise.

Five of the trains started running this week. Another nine will be added in the coming months to replace 15 diesel trains on the regional route. Alstom says the Coradia iLint has a range of 1,000 kilometers, meaning that it can run all day on the line using a single tank of hydrogen. A hydrogen filling station has been set up on the route between Cuxhaven, Bremerhaven, Bremervörde and Buxtehude.

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Gina McCarthy stepping down as White House climate adviser

White House national climate adviser Gina McCarthy is stepping down on Sept. 16, the White House announced Friday, weeks after President Joe Biden signed major legislation to combat climate change.

McCarthy will be succeeded by Ali Zaidi, who is currently McCarthy's deputy at the White House. Mr. Biden has also named former White House chief of staff John Podesta to be his senior adviser on clean energy innovation and implementation.

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Say Goodbye to Sprite's Green Bottles

(NEWSER) – Sprite's green plastic bottles will soon be a thing of the past. Coca-Cola says it's changing the packaging of Sprite and other beverages, including Fresca, to clear plastic so it can step up recycling, CNN reports. The green polyethylene terephthalate—PET—currently used in Sprite bottles can be recycled, but unlike clear PET, it can't be made into new bottles, reports CBS. The company says it has also revamped the Sprite logo to provide a "consistent look and voice around the world," but the label will remain green.

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NREL Addresses Energy Challenges for Sustainable Aviation

With the aviation industry contributing 2.5% of global carbon dioxide emissions, a clean energy transformation in aviation operations will prove essential to mitigate climate change. Cutting-edge research is paving the way.

The National Renewable Energy Laboratory (NREL) leverages advanced data analytics to help guide mobility transformations as part of a new sustainable aviation research initiative. Major transportation hubs, fuel producers, airlines, and aircraft manufacturers tap NREL's unique capabilities in sustainable fuels analysis, resilience, electrification, and large-scale validation and modeling to understand how to achieve ambitious energy-saving goals, improve regional air quality, and optimize the movement of people and goods.

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En Route to Market: Alder Fuels and NREL Partner To Scale Sustainable Aviation Fuel Technology for Commercial Use

A critical pathway for producing large quantities of low- to negative-carbon sustainable aviation fuel (SAF) is en route to market following a collaborative research and development agreement between the National Renewable Energy Laboratory (NREL) and Alder Fuels.

The technology—an advanced pyrolysis process that converts biomass into refinery-ready biocrude oil—is backed by millions of dollars in funding from United Airlines, Honeywell UOP, AvFuel, the U.S. Department of Defense, and the U.S. Department of Energy's (DOE's) Bioenergy Technologies Office.

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