Your map is 2006, way outdated. No more MTBE.
On a related note, gas last week $3.17.
Today it is $3.38.
Central TX.
Somebody should be put in jail for that theft. I have a few likely suspects I could recommend.
You're right, it's outdated. Here's one from 2009, as you can see the disease is spreading.
Refinery make more selling overseas than local. This is why Dow Chemical is against Keystone Pipeline because they know the refined products will head overseas and not lower local cost.