to develop clean fuels, and i mentioned earlier that one of our companies that we're involved in, jivo, have developed a fuel called isobutte knoll. now, the exciting thing is it can be made from sugar. the world is awish with sugar. it's bad for you. it creates diabetes. and, you know, it's -- and, therefore, you know, turning that into fuel is a good thing. and a good thing unlike ethanol which is that it doesn't freeze at 15,000 feet, it works fine at 35,000 feet, and if you're in a jet liner, it's quite good to have a fuel that doesn't freeze at 15,000 feet. and, and it works. so, you know, so investing the profits from our airlines into trying to develop clean fuels like that shouldn't put us at a disadvantage because, obviously, we hope that those fuels themselves will become profitable businesses in themselves and, therefore, ultimately the virgin group will be as strong as it is today. i think that, you know, why are other airlines not doing more in this area? i mean, i've, i've been fortunate. i mean, i've had time meeting people like al gore, i've read, just read james lovelo