They probably don't want to piss off their generous friends in the coal/oil/gas industry; it's a close race and they need money.
Regardless, from what I understand there is no real way at this point to generate enough energy for large-scale distribution besides fossil fuels and nuclear fission. We can all cheer and press for clean power but from what I understand there's no way to reasonably power the U.S. by just solar, wind, etc alone and the average person just doesn't understand that.
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They probably don't want to piss off their generous friends in the coal/oil/gas industry; it's a close race and they need money. Regardless, from what I understand there is no real way at this point to generate enough energy for large-scale distribution besides fossil fuels and nuclear fission. We can all cheer and press for clean power but from what I understand there's no way to reasonably power the U.S. by just solar, wind, etc alone and the average person just doesn't understand that.