Simple device uses electrical field to boost internal combustion engine efficiency

September 28, 2008 This sounds almost too simple to be true, but a university physics professor has developed a simple device which could improve automotive fuel efficiency by 20 percent. The device creates an electric field that thins fuel, or reduces its viscosity, so that smaller droplets are injected into the engine which in turn leads to more efficient and cleaner combustion. Six months of road testing in a diesel-powered Mercedes-Benz showed the device improved mileage from 32 mpg to 38 mpg.The results of the laboratory and road tests were published this month in Energy & Fuels, a bi-monthly journal published by the American Chemical Society.

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