 Most of the first car builders were inventors, rather than businessmen, working with their imaginations and the parts they had on hand.Thus, the invention of the Quadricycle marks an important innovation as a proto-automobile that would lay the foundation for the future, with more practical designs to follow.On June 4, 1896 in a tiny workshop behind his home on 58 Bagley Avenue, Detroit, where the Michigan Building now stands, Ford put the finishing touches on his pure ethanol-powered motor.