Sales of Chevrolet Volt have topped 7,000 in the first five months of 2012 — almost as many as it sold in all of 2011.
Deliveries of the Prius Plug-in Hybrid totaled 1,086 units in May, down from 1,654 in April.
Sales of all-electric Nissan LEAF hatchback totaled 510 units, up from 370 units in April, and far below its May 2011 sales, when it sold 1,142 LEAFs. In terms of 2012 year-to-date numbers, the tally for the Nissan LEAF now checks in at 2,613 units.
Additionally in May, Ford delivered the first Focus Electric vehicles to retail customers.
Combined sales of the Volt, Prius PHV and LEAF represented about 0.25% of total US light-duty vehicle sales, or about 0.6% of the combined sales of GM, Toyota and Nissan.