Persu Streamliner, 1923 -‘Aurel Persu was a Romanian engineer, and the first to apply aerodynamics principles to automobiles. He came to the conclusion that the perfectly aerodynamic automobile has the shape of a falling water-drop.
This one would be perfect for G-ma to get to work. Little green pea car! Yes, can't you just see smooshed green pea car when some uncoordinated SUV driver "bumps" into it? Not good- cute and efficient but that is a bit of problem.
1933 Dymaxion The Dymaxion car was designed by Buckminster Fuller in the early Its name was a composite of the words dynamic maximum and ion. The three-wheeled Dymaxion Car had rear steering and front-wheel drive powered by a Ford engine.