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Thank you for all the comments on our study. I am sorry I was not able to respond to all of them. You have given me lots of interesting things to think about.

Another major set of comments is centered around the concern that we only address life cycle considerations (emissions from refining gas, mining coal) as a caveat. The general consensus is that electric cars offer a significant benefit in this regard. This consensus is at odds with the...

A lot to respond to! About the comments from GregRF and ReddyLeaf. Take a look at Table 5 in our paper. On average in the US, electric cars cause 2.5 cents per mile damages, of which 1.62 cents come from local pollutants (S02, NOx, etc) and the rest from the global pollutant (C02). On average...

Yes, of course. But what we want to do in our paper is focus on air pollution, and in particular the differences from place to place. We found that EV's generally make local air cleaner, but also generally export air pollution to other places. Sometimes this second effect can dominate the first...

1. That is the latest data that we have. But see my post about our grid of the future calculation. 2. Electric car adoption is still fairly low, so it seemed that the marginal approach was more appropriate. As we say in the paper, when adoption increases, then we will need to use a different...

Another important issue is how clean the "grid of the future" will be. We actually do an analysis of this, to the extent that we can with our data. For the grid of the future, we (conceptually) wave a magic wand and turn every coal fired power plant into a natural gas fired power plant. For...

I may regret this, but here goes. I am one of the authors of the study. I have also been reading this site for years, and so I am willing to respond to some questions about what we do, and not do, in our study. In reading the comments, one thing that keeps coming up are the "life-cycle"...