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[–]chrometits 1 insightful - 1 funny1 insightful - 0 funny2 insightful - 1 funny -  (1 child)

Hydrogen or Browns gas?

[–]Chop_Chop[S] 1 insightful - 1 funny1 insightful - 0 funny2 insightful - 1 funny -  (0 children)

Hydrogen. Fuel cells in cars need .9999 pure H2.