Nice post! - T
10 most fuel-efficient cars currently sold in the U.S. based on the Environmental Protection Agency's (EPA) miles-per-gallon ratings for city and highway travel. In order to arrive at a final hierarchy, we used the EPA's combined fuel economy formula: 55 percent of city mpg rating plus 45 percent of highway mpg rating. The rating for each vehicle below is expressed in mpg as a city/highway ratio. All ratings apply to base models equipped with a manual transmission, except where indicated otherwise with an asterisk. Also, we only allowed a given model to appear once on the list, except in the case of the Honda Civic because it's available in both gas-electric hybrid and regular gasoline versions.
Honda Insight - 61/66
Toyota Prius - 60/51*
Honda Civic Hybrid - 45/51
Volkswagen Golf TDI - 38/46
Volkswagen Jetta TDI - 38/46
Volkswagen New Beetle TDI - 38/46
Honda Civic HX - 36/44
Toyota Echo - 35/42
Toyota Corolla - 32/41
Scion xA - 32/37
Honda Accord Hybrid - 30/37*
Pontiac Vibe - 30/36
Toyota Matrix - 30/36
Scion xB - 31/35*
Dodge Neon - 29/36
Toyota Celica GT - 29/36*
Tom Greenleaf - MetroWest Boston - USA
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http://www.autoacsystems.com/tomgreenleaf/