Like factories, stores, homes, farms, etc.

And virtually every fuel source we have is polluting, except hydroelectric. If we could make an efficient solar panel, that would be great! But most of the stuff we have uses up more fuel to produce than its worth. Government subsidies keep them afloat.

But, no need for alternate fuel?????

Wayne is right!! We need a Space-Program level search for alternate fuels! Now is already too late.