At this time, no. We've worked with the EPA on harmonizing standards for natural gas vehicles, and I spend a lot of time in Washington, D.C., meeting with them and talking about the standards around natural gas vehicles. We have a very distinct advantage with this new greenhouse gas regulation for heavy-duty trucking, that natural gas is well ahead of diesel, but that advantage will erode if we don't keep our product ahead of the curve as well, which we fully intend to do. We expect to match and exceed all of diesel's advantages as they emerge over the next few years to meet these greenhouse gas emission standards, so we will continue to have a significant advantage over diesel.
On May 15th, 2012. See this statement in context.