{"id":46001,"date":"2009-11-13T07:00:04","date_gmt":"2009-11-13T12:00:04","guid":{"rendered":"http:\/\/www.tundraheadquarters.com\/blog\/?p=2103"},"modified":"2009-11-13T07:00:04","modified_gmt":"2009-11-13T12:00:04","slug":"forbes-identifies-america%e2%80%99s-ten-dirtiest-vehicles","status":"publish","type":"post","link":"https:\/\/mereja.media\/index\/46001","title":{"rendered":"Forbes Identifies America\u2019s Ten Dirtiest Vehicles"},"content":{"rendered":"
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Forbes and Yahoo<\/a> have compiled a list of the ten dirtiest vehicles on the road, and surprisingly this list is NOT dominated by pickups. Instead, the list identifies a handful of SUVs and uber-expensive luxury cars that are “dirty” – as in “most polluting.”<\/p>\n

Their calculation is pretty simple – they take the EPA’s emissions score for each vehicle and add it to the EPA’s greenhouse gas score. Both scores are a number from 0 to 10, 10 being the best. The lowest scoring vehicles rank as “dirty.”<\/p>\n

The ten dirtiest \/ highest polluting cars are (according to the list here<\/a>)<\/strong>:<\/span><\/p>\n

10. Dodge Durango<\/p>\n

9. Dodge Ram<\/p>\n

8. Dodge Dakota<\/p>\n

7. Chrysler Aspen<\/p>\n

6. Mercedes-Benz S600<\/p>\n

5. Mercedes-Benz CL600<\/p>\n

4. Chevrolet Trailblazer<\/p>\n

3. BMW M6<\/p>\n

2. BMW M5<\/p>\n

1. Jeep Grand Cherokee<\/p>\n

There are some problems with this list. First, the Aspen and the Durango are essentially the same vehicle. Same goes for the S600 and the CL600 – mentioning the same platform twice results in a “double count” for these manufacturers. The list also doesn’t include heavy-duty trucks like the Ford SuperDuty or Dodge Ram 2500 (this class of vehicles are likely the dirtiest vehicles on the road).<\/p>\n

Still, the data is interesting in that some of the vehicles with the worst fuel economy aren’t found. The Jeep Grand Cherokee with the 420hp 6.1L Hemi – which gets 11 mpg in the city and 14 mpg on the highway – is less of a polluter than the 4.7L (see below).<\/p>\n

The article is also particularly hard on Chrysler<\/strong>. According to Forbes, the Grand Cherokee is a perennial member of this list, as are many other Chrysler vehicles.<\/p>\n

Diving into the EPA’s scoring system, the pollution score is based on 4 categories of tailpipe pollutants:<\/p>\n