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A person in a navy top standing with their arms crossed in front of a hallway. Artist's rendering of rechargeable lithium-ion batteries with a midnight blue background and electric blue outlines surrounding 3 batteries Windmills in Jaisalmer, Rajasthan, India. stock photo of Hydrogen filling station on a background of trucks photo of wind farm at sunset U.S. Secretary of Energy, Jennifer Granholm, speaks with scientists in from the Berkeley Lab's Joint Genome Institute. Wind turbines along a hill stock photo of commercial truck Persson machine learning