Diesel exhausts do cause cancer, says WHO

[Bewolf]

Originally Posted by ACE-OF-ACES

Well all kidding aside..

The only thing sillier than thinking we would be better off without combution engines is thinking any of the worlds problems are going to be solved in a flight simming forum!

True, but it is fun to exchange opinions nevertheless, in good or competetive spirit.
That aside, the world won't get rid of the combuistion engine anytime soon. But a start towards more efficient methods has to be made eventually. Combustion engines are terribly ineffective.