Essentially leveraged as a form of high-tech turbocharging, here a small electric motor gives a modest fuel-free power boost to a direct-fuel-injected 2.4-liter four-cylinder engine.

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Two hi-tech cables link the kite to an electric generator on the ground where the electrical power is generated.

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The laptops will have a low-tech independent source of energy, so they can be used in towns with little or no electric power.

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