Comment 67871

By Bradley (anonymous) | Posted August 11, 2011 at 14:24:35 in reply to Comment 67861

"Most of the energy use and pollution produced by a car happens before you buy it. Extracting ores, smelting metals and running production lines emits more carbon than you're ever likely to manage with the tailpipe"

not disagreeing with you, but I'm wondering if this is a researched fact. I often hear of the idea of 'embedded energy" but never see it quantified. In the case of a car, I'd be surprised that the unit energy cost of producing a car is greater than the energy savings over its lifetime if an alternative is twice as efficient.

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