ford has several bi fuel vehicles out right now you can go down to a ford dealer and order most any truck that runs off of cng and gasoline the only down fall is the size of tanks they are both small and refuel stations arent eveyrwhere the ones for your house are expensive 3 to 5 grand there...

i have a 2001 4x4 f150 with a 5.4 does anyone know any tricks for better fuel mileage or the best upgrades for fuel economy for that truck ive only had it for about 3 months and know verry little about the truck. any pros and cons about the truck would be nice also thanks

i own a 01 ford f150 4x4 5.4 lariat love it its all stock for now except for a k&n filter my name is robert i live near tulsa ok