Funny you mention Bakersfield. There is a refinery over there that makes asphalt oil from the crude over there. Bring that asphalt oil to the coast and it won't work on the aggregates here, won't stick, not just our asphalt plant, any of the 4 over here have the same problem. It's usually cheaper than the 2 refineries here which use the heavy crude around here. Every once in a while someone in the old purchasing department would find that low price on the oil and make the arrangements. "it's not going to work" I tell them. "They have the issue fixed they tell us". "OK, I'm giving your phone number to the victims of all the bad loads, be prepared to buy back some asphalt."