Quote:
Originally Posted by sly
I always thought it was because putting it in neutral wastes gas. On a fuel injected engine, whenever you let off the gas to slow down, the ECU can cut fuel completely to aid in fuel savings and engine braking. By putting the car in neutral, the ECU has to keep the engine running since there is no inertia carrying it along from the car slowing down. So you waste gas by putting it in neutral... if gas savings are what people are looking for.
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i've always found that argument interesting as well. it's technically correct. but then if the primary motivation is to 'save gas' then it should be reasonable under the same circumstance to blow through all stop lights to avoid altering speed too much to make the most use of the gas.