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Title: Whether a hydrogen-based energy system is environmentally cleaner than a fossil fuel system depends ... Post by: Jose7up on Dec 6, 2017 Whether a hydrogen-based energy system is environmentally cleaner than a fossil fuel system depends on ________.
A) the car driven B) the source of the oxygen used for the process C) how the hydrogen is extracted D) governmental incentives for research E) none of the above; a hydrogen system will always be cleaner than a fossil fuel system. Title: Re: Whether a hydrogen-based energy system is environmentally cleaner than a fossil fuel system ... Post by: euroemy on Dec 6, 2017 C
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