Least and Most Polluting Cars, 2006
Updated February 21, 2017 | Factmonster Staff
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 Insight | 57 | 56 | 57 |
2. Honda Civic GX | 30 | 34 | 57 |
3. Toyota Prius | 60 | 51 | 55 |
4. Honda Civic Hybrid | 49 | 51 | 53 |
5. Toyota Corolla | 32 | 41 | 46 |
6. Hyundai Accent | 32 | 35 | 45 |
7. Kia Rio/Rio 5 | 32 | 35 | 45 |
8. Honda Civic | 30 | 40 | 44 |
9. Mazda 3 | 28 | 35 | 44 |
10. Pontiac Vibe/Toyota Matrix | 30 | 36 | 44 |
11. Chevrolet Cobalt | 25 | 34 | 43 |
12. Saturn Ion | 26 | 35 | 43 |
Meanest vehicles | MPG: city | MPG: hwy. | Green1 score |
---|---|---|---|
1. Dodge Ram SRT10 | 9 | 12 | 12 |
2. Lamborghini Murcielago | 9 | 13 | 16 |
3. Bentley Arnage | 10 | 14 | 17 |
4. Dodge Durango | 12 | 15 | 17 |
5. Dodge Ram 1500 | 12 | 15 | 17 |
6. Maybach 57S | 11 | 16 | 17 |
7. Hummer H2 | 13 | 17 | 18 |
8. Ferrari F141 | 10 | 14 | 18 |
9. Ford F-250 | 13 | 17 | 18 |
10. GMC Yukon XL K2500 | 13 | 17 | 18 |
11. Volkswagen Touareg | 14 | 18 | 18 |
12. Chevrolet Suburban K2500 | 13 | 17 | 19 |
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 12. 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: American Council for an Energy-Efficient Economy (ACEEE).
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