Fuel economy at 65 mph vs 60 mph
What fuel economy increase have you observed from pulling your fiver at 60 mph vs 65 mph?
Forum Discussion
ACZL wrote:Not true from a physics standpoint. When you double your speed, you encounter four times the wind resistance, and you need eight times the horsepower to maintain that speed.
You're pushing the same amount of air out of the way at 60 mph as you are at 70 mph.
