The AXV-IV was a concept vehicle first shown at the October 1991 Tokyo Motor Show. It is a small coupe designed to be an environmentally friendly personal commuter. The AXV-IV is extremely light, weighing only 450 kilograms (990 lb). It is powered by a 804 cc supercharged two-stroke engine, rated at 64 hp (48 kW). The car also utilized light-weight FRP (fiberglass reinforced plastic) coil springs.
The AXV-IV is now on display at the Toyota Automobile Museum.
Source: Wikipedia, 2011