By Larry Greenemeir from Scientific America
It’s easy to knock electric vehicles (EVs): It takes too long to recharge the batteries and there are too few places to do it. And besides, who will pay for all the new recharging stations that would be needed if the cars catch on? The International Energy Agency’s most optimistic scenario puts (pdf) plug-in hybrids or EVs at 15 percent of all cars on the road by 2020; other projections predict a mere 3 percent.
The dubious outlook for EVs has much do to with uncertainty over what role utility companies should play in providing the electricity needed for large fleets of these vehicles. At a recent conference, however, industry analysts put several options on the table.
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