**Or the Johnny Good Citizen who sees the speed limit posted at 40 mph and no force on earth or in Heaven could impel him to go 1 mph faster, even though the road is clear from here to Des Moines.**
And this person is driving a Subaru, 9/10 :)
Not in my experience. Two main offenders: mini-vans and Buicks. If you get behind a Buick, you might as well walk. And vans are generally driven by emasculated men or soccer mommies.