One 6.0-liter Power Stroke owner explained that a 2003 Ford F-250 with a multi-inch lift and 35- to 37-inch tires was only getting between 8 and 10 miles per gallon.

The Ford 7.3 Godzilla turned heads when it was released as the largest V8 engine Ford had released, but it needs a little coaxing to get the best gas milage.

The city still has two assembly plants, including the Ford Kentucky Truck Plant that employs about 7,990 and makes the F-250 and F-550 Super Duty pickups, Ford Expedition, Lincoln Navigator.

All of the Ford warranties apply to the rest of the vehicle. The bi-fuel system costs $9,750 for the basic system with an 18.5-gallon tank and $10,950 for the larger 24-gallon setup.

The Ford F-250 Super Duty won that Challenge aided by a 16.0 mpg average measured fuel consumption on our test loop in a smaller regular-cab model.

Marsella reportedly drives his gas F-250, "Betsy," between 7,000 and 10,000 miles per week, or more miles than many drivers log in an entire year.