ill actually drive faster if i have to in order to stay behind someone rather than push my own air. even while going faster i get better mileage. i.e. rather than going 60(speed limit), i might go 65 or 70 if it means staying behind someone.
btw, i do NOT drive too closely, plenty of braking distance. no less than 50ft, typically about 75-100ft if i had to guess.
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