If their cars ran on cow farts, they wouldn't have to.

Humongous fuel prices force mileage rationing for Utah deputies.

Officers in Davis County have been told to limit their driving to 75 to 100 miles during a 12-hour shift, through the end of the year, sheriff's Lt. Brad Wilcox said Monday.

Note to self: If you plan on perpetrating a high-speed highway car chase, do it in Davis County, Utah. They'll hit their mileage limit before you run out of gas.