Rooftop solar power is exploding in the US but some scientists are pursuing a radically different route in renewable energy: storing solar energy as a liquid fuel.
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Photosynthesis – turning the sun’s energy into food for plants – is the biological system that feeds the world. But despite its awesome power, the process is extremely inefficient. We can’t really blame…
It may seem an impractical method, but a roadmap that lays out the potential limits of an “artificial leaf” could help further…

