$MVTG, One thing everyone might have missed in the fine print about the MVTG, Mantra Energy Alternatives fuel cell breakthroughs is that by eliminating the PEM, Proton Exchange Membranes in the patented MVTG fuel cells, they have not only substantially lowered the costs of the MVTG fuel cells, they have:

1. Eliminated a failure prone, high expense part.
2. Eliminated a power density barrier, proton flux (reactant flow) rate limits!!!
3. The tests on the first MVTG fuel cells showed record energy densities because they eliminated the PEM membrane diffusion rate barriers!!