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LiveScience
LiveScience
Ben Turner

Scientists discover revolutionary method that makes fuel from water and sunlight — but it's not finished yet

The hydrogen fuel tank of a Toyota vehicle on display.

Scientists in Japan have demonstrated a new proof-of-concept reactor that can harvest renewable hydrogen fuel from sunlight and water.

The new 1,076-square-foot (100 square meters) reactor uses photocatalytic sheets to split apart the oxygen and hydrogen atoms found in water molecules, thus siphoning the hydrogen away to be used as fuel.

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