The Venchurs 2012 Ford F-250 pickup uses the company’s 6.2-liter bi-fuel CNG conversion that gives the vehicle a range of 650 miles. The factory gas engine doesn’t appear any different on the ...

Out on the highway, the Venchurs F-250 performed no differently than an otherwise-stock Super Duty. Acceleration, passing power, and general all-around drivability were exactly what you would expect.

Every dipstick knows an oil change every few thousand miles is a routine way of prolonging the engine life on your car or truck. But doing so produces an estimated 8 billion gallons of used motor oil.