 I don't know, but yes, they are. In fact, I just saw a story. Somebody had their cooking oil stolen. Because, you know, restaurants, delis, greasy spoons. I prefer a nice, well-rinsed spoon. But, yeah, they sell their cooking oil and cooking grease to be converted to biodiesel. And I think you can run vehicles on it, too. But, again, there is a conversion, I think, that needs to...