[DragonChi]

Carbon tax. Moreover, refineries are there to make money, they're not going to give away their product.

I'm in the position of getting it out of the ground before it's worthless. On the other hand, there were promises made by oil producers that there would be a clean up after they were done with their various sites. Now that the money has dried up, that cleanup is in question. If it's in a densely populated area, the most likely outcome is that it will be cleaned up with tax dollars.