 hydrocarbons that were in the exhaust system that have gotten wet with condensation. And then it, and it's pushing those driplets droplets out the tailpipe and they're discolored and they're going to have a petroleum common. Yeah. Um, feel look to them. Uh, that's my, my hunch. Cause you're not losing oil or anything that you know of. No, not that I, not that I know of. I'm not seeing any oil. Um,