Volvo LCP2000

Volvo LCP2000 (Light Component Prototype) was a concept car built by Volvo in 1983. It was a project which comprised many engine options for the testing of different fuel types. In this project Volvo experimented with light weight materials to build the engine, such as aluminium, magnesium and plastics. With an EPA 56 mpg city/81 highway and 0-to-60 in 11 seconds and 110 mph top speed, It was designed to weigh less than 1500lbs and use many components in aluminium, plastic and even a magnesium engine block. There were two types of three-cylinder turbodiesel enginesengines for this car, one was a magnesium 1.3-liter powerplant pushing 50 hp and weighing 26.5 lbs, and a more traditional 88-hp cast-iron 1.4-liter that could run on a variety of fuels such as low-octane gasoline and sunflower oil. (biodiesel).

References

http://www.ultimatecarpage.com/car/1894/Volvo-LCP-2000.html