In many places, the electricity to recharge electric cars comes from coal fired power plants.
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Maybe the electric car buyers are being patriotic because they know American coal is very economical.
Patriotic, pro-coal, and lousy with cash. My objection to electric vehicles (besides their expense) is range anxiety, oh, and the fact that I'll wind up paying for "free charging stations" for people who already have more money (minus the cost of these expensive electrics) via higher taxes and utility rates. If I had the cash, I'd still own one, but would also add photovoltaic cells, and a buried-grid heat exchange heating/cooling system for the house (currently fuel oil).
The big revolution that *may* come would be ambient temperature superconductors; the entire distribution grid should be a single entity, which bills all customers, but also bills electricity producers (irrespective of source) for use of the grid. The grid company would be spun out as a probably closely-held stock, to electricity producers (for the dividends), and eventually another class of stock for non-foreign buyers.