Sure. I want to make it a little interesting, not too technical.
When I landed in Canada in 1997, I landed in Montreal. When driving I saw I had to stop at right-hand turns. When I moved to Ontario, the same car, same country, but you can turn right. So with the railcar system, you can have the same car, but you can put in different operational rules. There is nothing wrong with that. You can say in Canada your maximum speed on the tracks—we classify tracks from one, two, three, four, five six, seven—a passenger car is six, and freight cars are five—so Canada can say for class 5 maximum speed in this area is 40 miles per hour. There is nothing wrong with that. But what I said was about the design of the car. I don't think we can have two different car designs. That was my point.