Tata Air Car will be available in the US in 2009 or 2010, and sell for $18K:

http://www.popularmechanics.com/automotive/new_cars/4251491.html

GM should really be developing the Rotary Air engine:

http://www.engineair.com.au/

Yeah, that looks cool, I just want to see the crash test data before I strap myself in ontop of large tanks of compressed air :)

Yeah, that looks cool, I just want to see the crash test data before I strap myself in ontop of large tanks of compressed air :)

Given their position under the chassis, and that they are wrapped in carbon fiber, you would just here a burst bang, no shrapnel, no fire.