I understand there are problems with the technology, but if we don't try something, nothing will get built. Perhaps trying this will help spur innovation and progress on the hydrogen front. I do not believe the free market will solve this on its own. Because a portion of the costs to consider in the economic equation are external, ie, environmental, and do not enter into the profit model. Some support for development of alternatives to fossil fuels is pretty important, it seems to me. Now I frankly don't know what support Volvo is receiving from its government. I did hear Volvo is Chinese owned. I sure wish our US companies would come up with something. Hydrogen, electric with better range, less environmental impact, etc., or whatever.