are they on this tour with you? >> they're going to be. they're starting out with me. lucas is playing an opening for me on this next tour that i start. >> larry: you must be very proud of that. >> that's exciting. >> larry: tell me about biowillie. what is that? >> the name of a product, biodiesel that we developed, made out of vegetable oil from restaurants and we use it to fuel the trucks. >> larry: a mercedes runs on that, he gets it from restaurants. >> yeah. absolutely. and it's -- the new thing. >> larry: you're riding on grease. >> vegetable oil, yeah. >> larry: have you it on your bus? >> had it on the bus also. >> larry: you seem to have lived pretty much by your own rules. have any major regret? regrets? i've had a few, but then again, too few to mention. >> that's probably more the