Question

Which fuels are less polluting and why?

Answer 1

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bio- fuels can be less polluting to environment.....because bio fuels contain organic materials so they are biodegradable too and eco friendly

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Answer 2

All non- conventional sources of energy that are, solar, wind, tidal(hydro), geothermal, biogas energy(excluding nuclear) are non polluting.
Some Conventional Sources which are less polluting are Natural Gas.

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