Quote:
Originally Posted by tjts1
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I think that the premise for the EPA testing comes down to repeatability.And a laboratory environment is probably the only environment in which one has a chance to cover every conceivable variable,really locking down the numbers.
If the car maker's testing follows the protocols,their results would be the same as if EPA Mobile Sources did the testing themselves.
And EPA has never suggested that what they put on a window sticker is what you'll realize in real world driving.It's just a guide.