Glycerol is an attractive feedstock for biofuels since it accumulates as a byproduct during biodiesel operations; hence, it is interesting to consider converting glycerol to hydrogen using the formate
aHydA1 specific activities for hydrogen evolution by MV assay; 1 U = µmol hydrogen min−1 mg−1.bHydA1 mg L−1 of cell culture.cIron content as mol iron (mol HydA1)−1; NR, not reported.
