[thackney]

http://spectrum.ieee.org/energy/environment/deflating-the-air-car/0

That car requires 350 bars of pressure or over 5,000 psi.

[cableguymn]

Then it must have some sort of on board booster pump. Because that looks like a standard shop air line connected to it. I have not seen one of those hoses withstand 250 PSI let alone 5000..