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As far as I know, there is no such invention/discovery was made with this kind of attribute.
Which is the least polluting engine that runs on fossil fuel or renewable energy? In regards to car engines, truck engines, boat plane motorbike... But also alternative engines that aren't necessarily being used on a mass scale..... Which is The best of the best? An engine that can power something impressive, but will not waste energy.. Does it exist? Markus, It can be anything which creates propulsion. And I personally would probably not consider "heat" to be pollution.
Which is the least polluting engine that runs on fossil fuel or renewable energy?
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