Your body begins to think food is scarce and decides to slow down its consumption of stored energy -- otherwise known as old-fashioned fat.

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Lithium battery chemistry, commercialized in 1991, changes this equation with a four-fold gain in energy stored per pound.

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The fossil firms say that their fuels are energy-dense and can be stored, making them reliable.

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Electrical energy will be stored in a liquid-cooled lithium-ion battery that can be recharged from a standard household outlet.

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The energy stored in xylose splits water molecules, yielding high-purity hydrogen that can be directly utilized by proton-exchange membrane fuel cells.

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Research suggests that up between 20 and 30 gigawatt-hours (GWh) of electric energy could be stored as useful heat in hot water.

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When you need to take a break, close the lid and VAIO goes into an energy-efficient deep sleep, keeping your data stored safely for up to 90 days1 without running out of power.

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These are one of the few ways (but not the only way, see article) that energy from transient sources like the wind can be stored in grid-filling quantities.

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In the daytime, when the sun is at its strongest, solar panels like these and electricity stored in car batteries will be able to power the grid with affordable, emission-free energy.

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