When I was working in R&D for the Army, the logistics of recharging batteries for the proliferation of all of the night vision goggles, navigation devices, thermal sights, etc was overwhelming. The military was feverishly working on battery technology. I would imagine that the laptop computer, iPad, Kindle, iPod, and cell phone industries are spending a lot of money on battery technology as well.
Go by a golf course and see how many golf carts are hooked up to the grid. You don't think they might be working on battery technology?
The auto companies didn't abandon battery cars and go to internal combustion because they were in love with the oil companies, they did it because ICE improvements seemed more achievable than battery improvements over the near time frame.
If we truly made a breakthrough in batteries, electric cars would be very simple, durable, and inexpensive.
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