Patent ID: 7799314

Claim:
A method for producing a hydrogen containing gas for use in an internal combustion engine system, the method comprising: (a) cyclically operating at least two pressure swing reformers reactors in which at least one reactor is reforming while at least one reactor is regenerating, thereby producing a continuous stream of a hydrogen containing gas; (b) during operation of the engine system whereby exhaust gas is generated, feeding at least a portion of the exhaust gas to at least one pressure swing reactor that is regenerating for adjusting the temperature of the reactor's regenerative beds by adjusting a proportion of non-combustible exhaust gases to combustible fuel and oxidant whereby adding said non-combustible exhaust gas reduces the temperature of the reactors regenerative beds; and (c) using the hydrogen containing gas in at least one of: (i) the engine for combustion therein; (ii) an engine exhaust stream treatment device for enhancement of the treatment therein of the engine exhaust stream; and (iii) a fuel cell for generating at least a part of the electricity required for operating an electrical device.