 , there were 43 highway legal plug-in cars available in the American market for retail sales, 15 all-electric cars and 28 plug-in hybrids, plus several models of electric motorcycles, utility vans and neighborhood electric vehicles (NEVs)., sales were concentrated to a few models, with the top 10 best selling plug-in cars accounting for about 84% of total sales during the first eleven months of 2018.Car manufacturers are offering plug-in electric cars in the U.S. for retail customers under 21 brands or marques