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Least and Most Polluting Cars, 2008

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:
city
MPG:
hwy.
Green1
score
1. Honda Civic GX 24 36 57
2. Toyota Prius 48 45 53
3. Honda Civic Hybrid 40 45 51
4. Smart for Two Convertible/Coupe 33 41 49
5. Toyota Yaris 29 36 46
6. Nissan Altima Hybrid 35 33 46
7. Toyota Corolla 28 37 45
8. Mini Cooper/Clubman 28 37 44
9. Ford Focus 24 35 44
10. Toyota Camry Hybrid 33 34 44
Meanest vehicles MPG:
city
MPG:
hwy.
Green1
score
1. Volkswagen Touareg 15 20 14
2. Bugatti Veyron 8 13 17
3. Mercedes-Benz GL320 CDI 18 44 17
4. Jeep Grand Cherokee 17 22 17
5. Mercedes-Benz R320 CDI 18 24 17
6. Lamborghini Murcielago/Murcielago Roadster 8 13 18
7. Mercedes-Benz ML320 CDI 18 24 18
8. Mercedes-Benz G55 AMG 11 13 18
9. Hummer H2 12 16 18
10. GMC Yukon 2500 12 16 18
NOTE: MPG = miles per gallon. 1. The green score runs on a scale from 0 to 100. The top vehicle this year scored a 57, and the worst gas-guzzler scored 14. 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).

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