I'm somewhat new to this gas saving thing and yesterday was my first long highway drive using some coasting and drafting techniques.
In moderate traffic, even if it's moving along smoothly, it's not too convenient to coast... not unless I wanna get flicked off every few miles or so.
But drafting behind the big rigs made a noticable difference in the way my truck feels. Initially I didn't feel it because I was drafting, then when that truck exited, the truck felt like it was fighting more resistance to keep at the constant speed. I follow about 2 to 3 car lenghts behind. Probably my current favorite technique on highway driving.
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