General Motors Ultralite
The General Motors Ultralite was a 1992 low emission vehicle concept car intended to demonstrate the benefits of advanced materials and low fuel consumption.
Fuel consumption
It was rated at by the EPA, but could achieve at a steady state cruising speed of 50 mph.Design
The carbon fiber shell was fabricated by Scaled Composites and it weighed only 420 pounds. The total weight of the car was 1,400 pounds. The car had gull-wing doors and no B-pillar. The drag coefficient, Cd, was 0.19, significantly lower than that of production cars of the decade.The shape was reminiscent to the Ford Probe concept, and the Ultralite presaged the production General Motors EV1 electric vehicle and other production models.