Yeah Hydrogen still sux.
You only get 50% hydrogen efficiency if...
1 you run your fuel cell at "low load"
2 you run oxygen to your fuel cell.
3 in practice burning air as the oxidizer and running them at moderate load they get around 30% to 35% efficiency.
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1984 chevy suburban, custom made 6.5L diesel turbocharged with a Garrett T76 and Holset HE351VE, 22:1 compression 13psi of intercooled boost.
1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
2011 leaf SL, white, portable 240v CHAdeMO, trailer hitch, new batt as of 2014.
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