Why do passing trucks suck instead of blow?
Nope, it's not the first line of a joke or a rhetorical question. I would expect a passing truck or bus to be pushing a wave of high pressure air in front and beside, but I've noticed time and agai...
Forum Discussion
Air is traveling around a high profile vehicle as speeds down an interstate at 65mph to the sides as well as above. As the front of two of these vehicles meet, the air is now directed around both vehicles instead of between, acting like a single even wider vehicle. Less air flows between them which acts something like a vacuum.
Ever drive through a dust storm?
Ever drive through a dust storm?
