2014 Chevrolet Spark EV - First Drive, Portland, July 2013Enlarge Photo
Finally, there are also four additional battery-electric vehicles on sale, at least in very specific parts of the U.S.
They're what's known as compliance cars, or vehicles built solely to meet a California mandate that the six highest-volume automakers in the state put a certain number of vehicles with no tailpipe emissions at all on the road every year.
They're sold in California and often in eight other states that have adopted the Golden State's stricter emission laws, but they're essentially unknown in the rest of the country.
The four vehicles are:
They're covered in much greater detail today on Green Car Reports, which looks at how they're doing and what the future of these low-volume limited-availability cars may be.
But the diverse range of plug-in electric vehicles now offered in at least parts of the U.S. means that drivers have more options in alternate powertrains than ever before.
What factors would get you to buy--or keep you away from--a plug-in car, whether it's a battery-electric like the Nissan Leaf or a plug-in hybrid from Chevy, Ford, Honda, or Toyota?
Leave us your thoughts in the Comments below.