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Electric Cars and a Smarter Grid - Green Inc. Blog - NYTimes.com

Tony Karrer Delicious EVdriven

In effect therefore, the more energy convertion stages there are the less efficient the process is. Whenever we take a source, convert it and then use it to generate electricity (usually steam generation) or use it to run an internal combustion engine it seems counter intuitive efficiency wise. The closest to that source is solar.

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Greenlings: Benefits of charging stations vs. battery swaps vs. home charging

Tony Karrer Delicious EVdriven

And, you have to recognize that they pull a hell of a lot of power through the local grid: there will come a time when we will see utility transformers popping from all the current being drawn (imagine just a few dozen EVs fast-charging simultaneously, on 480V at 500A: wow). You can put up to 3 URLs in your comments. Follow us on Twitter!