Image credit:City of San Francisco, CalCars
Research & Markets is projecting $200 million dollars in annual US electric vehicle charging sales by 2015. Let's assume that's a reasonable estimate. Compared to existing gasoline sales in the US, which approaches $2 billion/year, it's obvious that we have a long way to go before plug-in hybrids and electric vehicles, together, make a serious dent in gasoline markets.
Any significant impact in the USA will be long after President Obama's second term has come to end.
R&M; also projects that "Bidirectional smart vehicle-to-grid charging will remain a niche application for the foreseeable future..." See Who Revived The Electric Car? for details on two-way vehicle to grid interactions will work.All the more reason to jump on high mileage, diesel cars as the interim means to reduce C02 emissions.
Do High Diesel Prices, Or Consumer "Hostilities," Keep 65 Mile-Per-Gallon Sedans Off The US Market?
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Global Standard Charge Plug For Electric Vehicles :