Just in case your Hummer doesn't use enough gas, you can always get one
of these:

http://msnbcmedia.msn.com/j/msnbc/Co...5a.hmedium.jpg

http://www.msnbc.msn.com/id/6026041

Truck maker unveils a monster pickup
Navistar's 14,500-pound vehicle gets 7 miles a gallon