The Dean Moon designed "Bonneville Boss" transporter, and mocked up 1976 land speed record rocket vehicle that were built to tour and raise money for the real thing to be built and run at Bonneville... it never came about though. 30 years in storage and now it bounces around at auctions.
Above image via: http://www.autoblog.com/2009/11/08/the-tony-fox-proud-american-and-bonneville-boss-rocket-truck/
Above via: http://www.autoblog.com/2010/01/23/barrett-jackson-2010-the-blastolene-indy-special/ the Blastolene Indy Special was for sale for about a year or so at Symbolic in San Diego, and I photographed it a couple of times. http://justacarguy.blogspot.com/2009/04/blastolene-daytona-special-and-indy.html Looks like no one ever wanted to shell out the 1/4 million or so it would have taken to buy it, so it went to auction, and it sold for $280,500. Half what it cost to create