This year, the Smart ForTwo Electric Drive tops the “Greenest” list with a highest-ever score of 59 out of 100, just in time for the vehicle’s nationwide rollout.
greenercars.org | the greenest vehicles of 2013
ACEEE | Greenercars.org Releases 2014 Environmental Scores: Smart ForTwo Electric Drive Tops Greenest Vehicles List
Forbes - The 'Greenest' Cars For 2014
also #1 on their 2-seater list