Updated: January 24, 2013 9:57 AM | By Tim Pollard for MSN Autos
Peugeot Citroen Air Hybrid prototype preview

Where is the compressed air stored in the PSA Hybrid Air?



Where is the compressed air stored in the PSA Hybrid Air? (© PSA Peugeot Citroen)
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  • Compressed air power for new Peugeot Citroen: in pictures (© PSA Peugeot Citroen)
  • How does the new Peugeot Citroen Hybrid Air work? (© PSA Peugeot Citroen)
  • How green is this new Hybrid Air technology? (© PSA Peugeot Citroen)
  • Where is the compressed air stored in the PSA Hybrid Air? (© PSA Peugeot Citroen)
  • Is compressed air a good power source for cars? (© PSA Peugeot Citroen)
  • How will a Hybrid Air compressed gas car feel like to drive? (© PSA Peugeot Citroen)
  • How feasible is compressed air as a power source for hybrid cars? (© PSA Peugeot Citroen)
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The compressed air tank straddles the central spine of the car, visible in the shape of the blue tank running along the middle of this cutaway. When the driver coasts or brakes to a halt, the energy dissipated as heat is harnessed to drive a pump which fills up the compressed air tank. Imagine a diver’s oxygen tank but rammed with air at even higher pressures. It’s this dense energy which will have the power to turn the wheels of the car at town speeds.

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