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gpm principle


MPG Illusion: cash-for-clunkers bill should use the 1 Gallon Per Mile principle

The cash for clunkers compromise that was reached in Congress this week puts a lot of focus, understandably, on the miles per gallon rating of the cars in question. It's understandable because MPG is how most Americans think about fuel consumption. But, as we've discussed in the past, gallons per mile is another useful metric, and its proponents have updated their site with an article on Cash for Clunkers and the 1 GPM Principle. What's the 1 GPM Principle? Well, it's the idea that: a new car needs to save 1 gallon of gas every 100 miles ... Read more →

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