Seems unfair that a gas guzzler should also be required to use the most expensive gas.
She actually drives it less than 500 miles a year, so it's not exactly putting a big dent in the budget...
Apparently, the truck is mainly there so the kids can borrow it- they put about 4k a year on it, and one of the rules is they return it with a full tank...so we actually make out like bandits....