“You can have a really fuel-efficient, dirty vehicle and a really clean, not-so-fuel-efficient vehicle,” says Karl Simon, a director of compliance and innovation for the EPA‘s Office of Transportation and Air Quality. “It really is pretty wide open from a technical perspective.”
So-called fuel economy indeed is linked to emissions; however it is not the only factor. The amount that a car causes pollution also has to do with what kind of fuel is used and the condition and age of the engine. So just because a car which is known to be a huge gas guzzler, this does not necessarily mean that it is the worst for the environment.
The most environmentally dangerous cars on the market feature a combined poor gas mileage with a high level of tailpipe and greenhouse gas emissions.
Recently the U.S. Environmental Protection Agency used air pollution and greenhouse gas emissions data to put together a list of the worst cars on the market for the environment. The cars are rated on a 1 to 10 scale. A car which scores a 10 would be the healthiest for the air.
Have a look:
Dodge Durango
Air Pollution Score: 6/10, Greenhouse Gas Score: 1/10
City MPG: 9, Highway MPG: 12
Transmission: Automatic 5-speed 4WD (ethanol fuel option)
Dodge Ram 1500
Air Pollution Score: 6/10, Greenhouse Gas Score: 1/10
City MPG: 9, Highway MPG: 12
Transmission: Automatic 5-speed 4WD (ethanol fuel option)
Chrysler Aspen
Air Pollution Score: 6/10, Greenhouse Gas Score: 1/10
City MPG: 9, Highway MPG: 12
Mercedes-Benz S600
Air Pollution Score: 6/10, Greenhouse Gas Score: 0/10
City MPG: 11, Highway MPG: 17
Transmission: Automatic 5-speed 2WD
Chevrolet Trailblazer
Air Pollution Score: 6/10, Greenhouse Gas Score: 0/10
City MPG: 12, Highway MPG: 16
Transmission: Automatic 4-speed 4WD
BMW M6 Sedan/Convertible
Air Pollution Score: 6/10, Greenhouse Gas Score: 0/10
City MPG: 11, Highway MPG: 17
Transmission: Manual 6-speed 2WD, select 7-speed 2WD
Jeep Grand Cherokee
Air Pollution Score: 3/10, Greenhouse Gas Score: 1/10
City MPG: 9, Highway MPG: 13
Transmission: Automatic 5-speed 2WD (with ethanol fuel)
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