Canadian Press: The shine went off hydrogen fuel-cell cars well before the auto industry drove off a cliff last year, but that doesn’t mean carmakers have abandoned the zero-emission technology. In the 1990s, proponents predicted consumers could be driving fuel-cell vehicles as early as next year. But they underestimated the obstacles in the way of producing a reliable, affordable car with the kind of range and drivability motorists now take for granted. The U.S. government, facing a …