How is it much more fuel efficient to travel at say 50 mph for longer than 70 mph for a shorter period of time. Like if I was going a set distance, if I drive slower I’m using the car longer so why isn’t it the same fuel being used.
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If you had to push a fridge 50 feet, which is easiest? Push it at a snails pace but never allow it to stop, push it at a slow walking pace, or push it at a sprint? The slow walking pace is easiest, just because it’s natural and fits your bodies biomechanics. The engine has a preferred speed too, and most manufacturers make it so that it’s preferred speed is roughly highway speed.
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