In certain parts, they are. Again, a lot of this depends on costing, but certainly the research we've done in preparation for coming here today indicates that this is a viable technology and that it's being slowly adopted around the world, just as uses for concrete in many projects and products are slowly being adopted as people are looking at new forms of technology. Do we want to use timber and soak it in tar and lay it down and expect that to last? Is that a technology we want to put high-speed rail on? I'm not sure.
On June 2nd, 2009. See this statement in context.