There are no sustainable energy sources/impact

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2014/04/29 [L..T] Mobility in Cities is About Space - Proven Powerfully in Pictures! "Even if all vehicles became electric tomorrow (which they won't), and even if your local electric energy sources are on the renewable side, like BC's hydro-electric power (which they're likely not - it's just as likely they're on the especially dirty side, like coal), the truth is there's no totally "clean" energy source, no energy without impacts. The only real energy solutions are urban densities, use-mixes and patterns, and personal choices, that depend on much less energy."