for the last 2 years the entire west at least the rocky mtn region seems to be paying a lot more for diesel than gas, I just looked at flying J's nation wide prices texas for example has about a . 05 cent spread to gas, in utah we are still over . 20 more than gas, ULSD was the excuse but the switchover has already taken place, the gulf and east coast states, didn't have much of a problem switching over someone is ripping off. last time I checked heating oil has been going for cheaper than gasoline on the commodiities market.