Potentially, yes. I think you may hear more about that from my colleagues with the Canadian Natural Gas Vehicle Alliance later in your hearings.
The most obvious place for using natural gas is in what you call the return-to-base fleets. These are urban fleets--buses, waste haulage, all that kind of thing--where you can have your refuelling on-site at your garage and that sort of thing. You don't have problems of range.
There is potential for longer-haul, but that requires refuelling infrastructure. Therefore, you would have to put it on high-density, long-haul corridors. Windsor-Quebec City is an obvious one. In all likelihood, it involves using liquefied natural gas technology, but pretty much the same engines. Again, they're Canadian-built engines that use either compressed or liquefied natural gas.
You have to look into the economics of that. I can't speak to it in detail, but it has very real prospects.