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JFP We understand it is good for mileage to just start and go. But isn't how you score on the EPA cycle is determined by the rules for testing which are quite specific, not driving habits.
You cite benefits to the engine and drive train. How do you know this (even with all the Posche's you see, how is there a way of determining if a specific driving habit causes a problem?).
I'll confess that for cars manufactured since 1970, I've just started the car, fastened the seat belt, adjusted the mirror, set the radio and driven off. Very gently for the first mile, never over 3500 RPM. And I wait till the water temp is settled and at least 12 miles before busting 5000. The only 2 of probably 40 cars I've ever had that had problems were one with 100k miles and a design weakness everyone knew about and another with 75k miles and a transmission problem that was the cause of a recall. I don't attribute either of those complete failures to driving habits.
I have trouble imagining who and how someone did a scientific test that would prove a cause and effect. Help me understand.
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