Least and Most Polluting Cars, 2014

The ACEEE's Green Book®, a buyer's guide to environmentally friendly passenger vehicles, rates cars according to their emissions and fuel consumption, and publishes an annual list of the "greenest" and "meanest" (i.e., most polluting).

Greenest vehicles MPG:
city1
MPG:
hwy.1
Green2
score
 1. MERCEDES-BENZ SMART ELECTRIC DRIVE CONVERTIBLE / COUPE 3.61 2.77 59
 2. TOYOTA PRIUS C 53 46 57
 3. NISSAN LEAF 3.75 3.01 55
 4. TOYOTA PRIUS 51 48 55
 5. HONDA CIVIC HYBRID 44 47 55
 6. LEXUS CT 200H 51 48 55
 7. TOYOTA PRIUS PLUG-IN HYBRID 3.9/51 3.0/49 55
 8. MITSUBISHI MIRAGE 37 44 54
 9. HONDA CIVIC NATURAL GAS 27 38 54
10. HONDA INSIGHT 41 44 53
11. MERCEDES-BENZ SMART FORTWO CONVERTIBLE/COUPE 34 38 53
12. VOLKSWAGEN JETTA HYBRID 42 48 53
Meanest vehicles MPG:
city
MPG:
hwy.
Green2
score
 1. CADILLAC ESCALADE ESV 13 18 23
 2. LAMBORGHINI AVENTADOR ROADSTER 10 16 23
 3. ROLLS-ROYCE PHANTOM EWB 11 19 23
 4. ROLLS-ROYCE PHANTOM DROPHEAD COUPE 11 19 23
 5. FORD EXPEDITION FFV/LINCOLN NAVIGATOR FFV 13 18 22
 6. FORD F-150 RAPTOR 11 16 22
 7. MERCEDES-BENZ G550 12 15 22
 8. MERCEDES-BENZ G63 AMG 12 14 21
 9. BENTLEY MULSANNE 11 18 21
10. FORD E-350 WAGON FFV 12 16 21
11. BUGATTI VEYRON 8 15 19
12. RAM 2500 13 18 18
NOTE: MPG = miles per gallon. 1. Fuel economy for electric vehicles is provided in miles per kilowatt-hour. 2. The green score runs on a scale from 0 to 100. The top vehicle this year scored a 59, and the worst gas-guzzler scored 23. The score is based on automakers' test results for fuel economy and emissions as reported to the EPA, as well as an estimate of pollution from vehicle manufacturing, from the production and distribution of fuel, and from vehicle tailpipes. It also factors in air pollution. Source: Web: American Council for an Energy-Efficient Economy (ACEEE).

Information Please® Database, © 2010 Pearson Education, Inc. All rights reserved.

Transportation
Least and Most Polluting Cars, 2014

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