Originally Posted by t walgamuth

A lunch buddy yesterday was telling a story about a car drafting his winnebago and complaining about it.

I said who cares, he cannot hurt you?

He said it reduced his Mpg in his vehicle.

I called BS.

anybody have any science to support the arguement one way or the other?

If two race cars can go faster together they should also get better mpg together so this car should not affect the motor home except if to slightly increase fuel economy....in my mind.