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Where are the most important MPG increases, at the upper or lower end?

Imagine, if you will, taking a sheet of paper and cutting it in half. Now take one of those halves and cut it in half again. Now keep repeating the process. As you keep cutting, the difference in the size of the subsequent pieces gets progressively smaller. This simple example is a demonstration of why continuing to increase the fuel mileage of a vehicle has less and less impact once you get beyond about 35-40 mpg. Time for a bit of a math lesson. The amount of fuel consumed by vehicle is determined by dividing the number of miles driven ... Read more →

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

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 ...

You may know about MPG. But do you know your gallons per mile? Sebastian Blanco

Back in June, we took a look at the distinction between miles per gallon (MPG) and gallons per mile (GPM). At first blush, it may seem this is a six of one, half-dozen of another situation. It's not. ...

Where are the most important MPG increases, at the upper or lower end? 4 months ago on Autoblog Green

Imagine, if you will, taking a sheet of paper and cutting it in half. Now take one of those halves and cut it in half again. Now keep repeating the process. As you keep cutting, the difference in the size of the subsequent pieces gets progressively smaller. This simple example is a demonstration ...

MPG Illusion: cash-for-clunkers bill should use the 1 Gallon Per Mile principle 7 months ago on Autoblog Green

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 ...

You may know about MPG. But do you know your gallons per mile? 11 months ago on Autoblog Green

Back in June, we took a look at the distinction between miles per gallon (MPG) and gallons per mile (GPM). At first blush, it may seem this is a six of one, half-dozen of another situation. It's not. MPG is the most common number cited when people want to understand how efficient a car is, ...


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