A car that uses compressed air rather than batteries to store power? Pretty darn cool.

From www.theaircar.com/

After fourteen years of reserch and development, Guy Negre has developed an engine that could become one of the biggest technological advances of this century. Its application to CAT vehicles gives them significant economical and environmental advantages. With the incorporation of bi-energy (compressed air + fuel) the CAT Vehicles have increased their driving range to c... read more