Wont cars which give off water vapour contribute to global warming?

danny523

New member
Ive seen a car that only gives off water vapour, no carbon dioxide, but seeing as water vapour is also a greenhouse gas, in what way is it better?
But naturally high amounts of water vapour in the atmosphere will cause more infra-red radiation emitted which will cause an increase in the temperature so allowing the atmosphere to hold more water vapour without being saturated wont it?
*******unnaturally
 
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