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Electrovair Systems, 1967

Diagram showing the complicated battery, motor and cooling system of an electric car.

Collection of the Canadian Automotive Museum

A diagram of the complicated power, cooling, and motor system on the GM Electrovair II concept car, from Ontario Hydro News, February 1967. Built using the same battery technology that powered missiles and moon rovers, the Electrovair II was a genuine marvel of technology, but hopelessly expensive to run.