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jet In 1680, Sir Isaac Newton, a famous British scientist, conceived of the idea of a jet car, which was propelled by steam from a nozzle, but it never materialized. Steam power In 1769, The Frenchman N. J. Guelneu made a three-wheeled car driven by steam generated from gas combustion, but the car's speed was only 4 kilometers per hour, and it had to stop every 15 minutes to add coal to t