All of this talk about well to wheels is besides the point (and the topic of this thread).
It currently costs me $0.04 per mile on gasoline and $0.02 per mile on electricity. Since it's cheaper to drive on electricity, it's in my economic interest to plug in as much as possible. My electricity is mostly hydro generated, and cheaper than most anywhere else in the world.
Generally speaking, when things cost less, they also consume less resources.
I'm going to make purchasing decisions based on what is in my economic interest. Financial decisions have an enormous impact on me, yet close to zero impact on the environment, especially with respect to the quality of life to other humans.
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