More specifically, the invention relates to a system for producing {HEAD ~ electrical power} with {TAIL ~ a fuel cell}, especially a proton exchange membrane fuel cell  
with
More specifically , the invention relates to a system for producing { HEAD ~ electrical power } with { TAIL ~ a fuel cell } , especially a proton exchange membrane fuel cell
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH