Biofuels are cleaner fuels than hydrocarbon fuels aren't they??

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?? :)

Posted Sat 5th May, 2012 @ 15:48 by :) PurpleJaguar (: - Team GR

2 Answers

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yes, hydrocarbons from exhaust fumes sometimes react with sunlight to form 'photochemival smog'

Answered Sun 6th May, 2012 @ 12:00 by Kristina Wright
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i thought so thanks :)

Answered Sun 6th May, 2012 @ 17:05 by :) PurpleJaguar (: - Team GR