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|3rd September 2005, 13:49||#16|
Join Date: Mar 2005
Although you are not comparing fuel cell vs IC engine, when you are talking of global warming you need to look at earth as the system. If fuel cell technology is not developed the same number of cars will be sold with current tech i.e IC engine.
We also cant overlook the fact that IC engine also emits a lot of water vapour as petrol/diesel have 2-3 H atoms for every C atom.
As the efficiency of IC engines is less than 20% (?) the amount of H2O released per KM travelled is more than the H2O released by a fuel cell car, which would have efficiency of 60-80% (am guessing here).
Conclusion: Fuel cell cars will emit less heat and vapour than current cars.
|4th September 2005, 15:37||#17|
Senior - BHPian
Join Date: Apr 2005
Thanked: 97 Times
as for the vapour part EXAPLIN how vapour comes from IC engine
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