A process for the conversion of municipal solid waste, automobile shredder residue and other plastic/rubber wastes to hydrogen is described both from a technical and an economic point of view. Pilot-plant and modeling results are tools in the analysis. The conversion is carried out in two major process steps. The first or pre-treatment step is based on pyrolysis and results in an intermediate product containing approximately 90% of the primary feed in a suitable physical form for the second step. This second step is Texaco＇s high-temperature, high-pressure gasifier which is based on partial oxidation and converts the organic components to synthesis gas (CO and H-2). Total thermal conversion efficiency for waste to hydrogen is found to be a strong function of feedstock quality. For typical MSW feedstocks, an efficiency of 40-50% is predicted for an integrated process. Fossil-fuel feedstocks such as waste plastics and scrap tires result in efficiencies of the order 60-70%. The cost of produced hydrogen is approximately $15/GJ for typical MSW with a tipping fee of $50/ton, but drops to $6/ton for high-plastics waste that carry a tipping fee of $100/ton.