The head of the pipeline company on the tv item talked about how they went about doing the study to make the pipeline work and that it is used to transport gasoline, and that it is compatible with both products. He did say they would probably build, and i think he meant convert/upgrade other pipelines to carry ethanol in addition to gasoline. I dont remember if he talked about other petroleum products. It sounded like one day the pipe can carry gasoline and the next ethanol etc. It sounded like a lot of details were looked at but it was not too much of a challenge for them.