BULLDOG
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- Jun 3, 2014
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The first cell phone batteries weighed about 2 1/2 pounds and would last about 30 minutes of conversation time (talking and listening. talking used more than 5 times as much power.) The phones cost about $4000.Average electric car requires equivalent of 85 pounds of coal or six barrels of oil for a single charge
Fact check: Claim on electric car charging efficiency gets some math wrong
The average electric car takes energy from about 70 pounds of coal or 8 gallons of oil to charge, but renewable sources are always part of the mix.www.usatoday.com