Quote:
Originally Posted by sendler
There is not that much Lithium in the world. Keep in mind the scale of what we are trying to replace. Half of what we use (from a 2:1 efficiency improvement) for 18 hours would need 136 TWh of batteries. I will let someone else figure out how many 1,000s of GigaFactories this requires to get it all built and then rebuilt every 20 years.
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Scale
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Things will be much smaller after fossil fuels leave us. Simplify now and beat the rush.
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Lithium gets mined mainly from brine nowadays, and many brine pits are not in use now but would if the price rises. Then it can be mined from granite and many other minerals, or even sea water. There's 230 billion tonnes of lithium in the sea.
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2011 Honda Insight + HID, LEDs, tiny PV panel, extra brake pad return springs, neutral wheel alignment, 44/42 PSI (air), PHEV light (inop), tightened wheel nut.
  lifetime FE over 0.2 Gigameter or 0.13 Megamile.
For confirmation go to people just like you.
For education go to people unlike yourself.
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