“We can’t build another whole grid worth of capacity in time for the specified “all electric no fossil fuel” dates. Physical impossibility.”
– E.M. Smith
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Where you gonna put it?

E.M. Smith

The total energy in fossil fuels for transportation is roughly the same as the total energy currently produced as electricity. To go to electric vehicles and eliminate fuels will require a DOUBLE of the total electric grid capacity and generation.

(See “It IS Too Late – Not Possible To Replace Cars In Time”
https://chiefio.wordpress.com/2019/12/15/it-is-too-late-not-possible-to-replace-cars-in-time/)

Now figure “renewable unreliables” are at most 20% today. So 4 times more to replace current demand PLUS 5 times more for the eCars and such. We would require 9 times (probably 10 times after conversion and battery losses…) more wind and solar.

Where you gonna put it?

We can’t build another whole grid worth of capacity in time for the specified “all electric no fossil fuel” dates. Physical impossibility.

Battery life span is strongly dependent on number of cycles and depth of discharge. Basically, “if you use it, you lose it”. So, for example, to make Lithium battery life long enough, Tesla has software to prevent discharge beyond 80%. So figure either you get shorter battery life, or you must buy a battery 25% larger than you need.

BTW, increasingly there is a ban on burning wood. Where I live, in Silly Con Valley, it is forbidden to put a fireplace in new construction. I have a fireplace. When it’s cold and you need heat, we have prohibitions on using your fireplace… But you can burn wood on days when it’s hot and windy…

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November 2, 2020 at 02:23PM