Nice idea, but how much energy is used to make these, and how much to compress the air?

** Car that 'runs on air' **
A French engineer claims he will be ready to start selling a car with no carbon emissions within a year.

BBC Media Player
McLeodGanja Reviewed by McLeodGanja on . New Eco-car uses compressed air as fuel Nice idea, but how much energy is used to make these, and how much to compress the air? ** Car that 'runs on air' ** A French engineer claims he will be ready to start selling a car with no carbon emissions within a year. BBC Media Player Rating: 5