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The Environmental Protection Agency (EPA) scores all vehicles via air pollution and greenhouse gas emissions from 0 to 10 with 10 being the best. Forbes narrowed the list down further, selecting those who scored 9.5 or higher in air pollution, then ranked them from 1 to 10 via their greenhouse gas scores. Many of the vehicles tied, showing just how close many of today's "green machines" are to each other regardless of manufacturer.
The top ten, from highest to lowest, are:
2006 Honda Civic Hybrid
2006 Toyota Prius
2007 Toyota Camry Hybrid
2006 Ford Escape Hybrid
2007 Ford Escape Hybrid
2007 Ford Focus
2006 Mazda3
2006 Mercury Mariner Hybrid
2007 Mercury Mariner Hybrid
2006 Saturn Ion
Full explanation of EPA's scoring procedure & slideshow HERE
What are the emmisions on the 1.5L engine though? At best I think they are only ULEV2 right?
I don't think there is another measure below that until you get to SULEV or whatever that is that the hybrid vehicles have. Too bad they didnt show classes of motors via size and number of cylinders. Anyone can put a super tiny motor in a lightweight car and make it low emissions.
Toyota and Lexus Join Mille Miglia For The First Time
Slideshow: A five-car lineup spanning more than five decades of Toyota performance and engineering will tackle one of Italy's most celebrated automotive routes.