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 Photographs from official websites as follows:
Cadillac ELR: http://www.cadillac.com/future-cars/elr-electric-car.html
Chevrolet Spark EV: http://www.chevrolet.com/spark-ev-electric-vehicle.html
Chevrolet Volt: http://www.chevrolet.com/2012-volt-electric-car.html
Ford Focus Electric: http://www.ford.com/cars/focus/trim/electric/
Honda Accord Plug-In, Honda Civic Hybrid, and Honda Fit EV:
Lexus GS450h: http://www.lexus.com.tw/hybrid.aspx
Luxgen EV+: http://www.luxgen-motor.com.tw/ev.html
Mini E: http://www.miniusa.com/minie-usa/
Mitsubishi iMiEV and Mitsubishi Outlander PHEV:
Nissan LEAF: http://www.nissanusa.com/electric-cars/leaf/
Porsche Cayenne S Hybrid and Porsche Panamera S E Hybrid:
Smart EV: http://int.smart.com/
Toyota Camry Hybrid, Toyota Prius, and Toyota Prius Plug-In:
Volvo XC60 Plug-In Hybrid: http://www.volvocars.com/intl/Pages/default.aspx
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