How many draft truckers to save gas?

Judy B questioned:

Mythbusters veteran and proved at a 10 foot drafting interval, a car used 40% less gas. Just reflect of the millions of gallons of gas that can be saved if all Americans drafted each time they horde. Show your jingoism, draft anything that moves!

http://mythbustersresults.com/episode79

“Drafting in the rear a huge rig will boost your car’s fuel efficiency.

confirmed

To test this myth, the build team procured a car, a huge rig, and a contrivance that may maybe rate a car’s fuel efficiency. They then horde the car in the rear a tender huge rig at innumerable distances ranging from 100 to 2 feet and measured the amount of fuel the car consumed. The Build Team exposed that the quicker the car was to the huge rig, the less drag is bent, thus the more fuel saved. At just ten feet, the car managed to boost its fuel efficiency by 40%. Drafting at two feet was vaguely lower than the ten foot interval, primarily in view of the fact that Grant had to keep effective the car pedal to keep up interval from the car. Howe
I can’t judge so many unenthusiastic answers. Like Bill O’Reilly questions the anti-war libs, I also have to question- “Why do you despise America? Do you want us to lose the war on terror?”
Here is a way we can save millions of gallons of gas. That’s American dollars NOT inane to the terrorist-sponsoring oil countries. And it doesn’t cost a Fifty pence cut! All red-blooded Americans must be drafting each opportunity they get. the public you save force be your own!