/ccmay be of interest for your concept car as well.
Reshared post from +EuroTech
AirPod : the air-powered car
A french engineer claims to have developed a car powered by compressed air.
The 2010 MDI AIRPod emits no emissions and runs on nothing but compressed air. Yes, that sounds like another one of those crackpot inventions, but the inventor has organised some demonstration tours with journalists, and they seem convinced!
How it works
The car is propulsed by a piston engine that has been adapted to work only with compressed air. A system of high-pressure air tanks in carbon-fiber built by EADS (an aerospace firm) fuels it. As a prototype, the AIRPod currently drives with a top speed of only 50 km/h. With one person onboard and the car running solely on air power, MDI estimates the AIRPod's range at around 160 kilometers.
The size of AirPod is even lower than the Smart Fortwo, characterized by its small size, something amazing if you know that up to four people may travel inside the vehicle. Despite its small size, the prototype of MDI with an ingenious security system in case of collision, based on a model of air pockets outside the body.
Steering is controlled by a joystick mounted on the right armrest of the driver seat. Acceleration and braking were originally supposed to be controlled by this stick, but MDI confided that the system proved awkward to use.
In Europe, a fleet of one dozen 2010 MDI AIRPods is already set to serve as passenger and cargo shuttles. MDI confirms that similar arrangements are under discussion with governments, private companies and universities around the world. This includes the U.S. — though MDI remains tight-lipped about specifics. So far only been seen on New Zealand roads, but many European municipalities raffled it for its official units.
Further reading :
An older article in the guardian : http://www.guardian.co.uk/environment/2009/may/14/air-powered-car-hybrid-france
Official website :
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