General Motors and Nissan both made good on their promises to deliver mass-produced electric cars with the debuts of the Chevrolet Volt and the Nissan Leaf this year. Sales for both have been small so far due to limited production and availability, but December numbers reveal that the hybrid plug-in Volt outsold the battery-powered Leaf by a factor of 16 to 1.

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After the Associate Press reported that GM sold between 250 and 350 Volts last month, the company tweeted that the official number was 326. Meanwhile, Nissan sold less than twenty Leafs. Production volumes for both vehicles will continue to increase over the coming months, and by mid-year, they’ll be available nationwide. But if you’re interested in buying one, put your name on the list now — it’s already 50,000 people long.

Catch up on our extensive coverage of the development and debut of both models, and let us know which one you like best!

+ Chevy Volt

+ Nissan Leaf

Via Autoblog Green