I expect to see a lot of resistance to using those fuel cells in airliners
Last time I looked, it was illegal to carry a small butane fueled cigarette lighter on an airliner. That fuel cell sounds like it'd carry a lot for methanol than a cigarette lighter has of butane. Perhaps the methanol concentration will be low enough so that it doesn't constitute a fire hazard. Unless that's the case, they won't be allowed on planes.