As I mentioned I tried the Sunoco once and had a problem with it; never could figure out why. Seems like it would be great stuff. Must of had a bad batch. I'll try it again - just curious.
I'm aware that the couple of thousand R's out there are not going to affect world oil consumption. Just a patriotic thought; do what you can kinda thing. I find it interesting that even the few responses on this forum expressed different ideas as to where our oil comes from. Makes you think.