Whaddaya mean, nuclear power isn't an option? I say it's THE option, when used in conjunction with hydrogen-powered cars. And yes, I've gotta imagine that even changing all power infrastructure and car models to nuclear/hydrogen-powered would be cheaper than running drilling operations, fighting wars, and buying from OPEC.
Solar is certainly a growing option, but it's still only growing. Simply put, the sun doesn't even produce enough radiation to melt the polar icecaps. We're gonna have to find a REALLY practical way of using it to get anything substantial.
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