2010: The Year in Innovation

Todd Tankersley
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A Superefficient Fuel Injector

When people think about reducing gasoline consumption, alternative-fuel and hybrid cars usually come to mind. Transonic Combustion, founded in 2006, has a simpler solution: a superefficient fuel injector designed to integrate easily into conventional cars. The TSCi injector pressurizes and heats gasoline to 400 degrees Celsius, bringing it to a supercritical state. It combusts without a spark and mixes with air quickly, allowing it to burn more efficiently. A Transonic test car achieved 64 miles per gallon at highway speeds. Read more.