Thanks for answering.
2006-11-19 17:08:19 · 5 answers · asked by Ilooklikemyavatar..exactly 3 in Science & Mathematics ➔ Engineering
because it would CHANNEL that air flow DIRECTLY onto the vehicle behind the truck and thats not safe.
2006-11-19 17:11:07 · answer #1 · answered by . S 3 · 0⤊ 0⤋
Actually there are some that are faired into a parabolic shape.
Sadly, the economics favor a square back-end with swinging doors. As fuel continues to increase in cost, perhaps the economics will favor the more efficient shape.
There is some progress. Check this link:
http://www.greencarcongress.com/2005/11/new_boat_tail_d.html
Good question!
j
2006-11-20 01:11:52 · answer #2 · answered by odu83 7 · 0⤊ 0⤋
THE BACK IS SQUARE BECAUSE THAT WAY IT HOLDS MORE CARGO WHICH MAKES MORE MONEY!!it's not economically sensible-plus higher speeds on trucks=higher risk for accidents.
2006-11-20 01:18:09 · answer #3 · answered by eisitalia 1 · 0⤊ 0⤋
Loading docks are not designed to accomodate such a truck.
2006-11-20 01:16:18 · answer #4 · answered by Anonymous · 0⤊ 0⤋
cause its the front end that causes the most resistance
2006-11-20 01:10:08 · answer #5 · answered by tom4bucs 7 · 0⤊ 0⤋