Battery Battery Powered Coal Lead Acid 
Green Car Congress
SEPTEMBER 12, 2013
In trials, GE’s sodium metal halide Durathon batteries ( earlier post ) have successfully powered GE Mining’s Scoop, an underground vehicle that transports mining materials, at Coal River Energy, LLC in Alum Creek, West Virginia. Additionally, the battery contains no lead acid materials. Click to enlarge.
Green Car Congress
MARCH 10, 2013
Using a new metric—“Energy Stored on Invested, ESOI”—they concluded that batteries were the worst performers, while compressed air energy storage (CAES) performed the best, followed by pumped hydro storage (PHS). The five battery technologies fared much worse. PHS followed at 210.
Tony Karrer Delicious EVdriven
APRIL 16, 2009
The four-door sedan will deliver 40 miles on a charge; a small gasoline engine will recharge the battery as it approaches depletion, extending its range by as much as 200 miles. Its been improving over time, but the power density and cost issues are still steep for what exists thus far. The car is expected to cost around $40,000.
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