NOVELTY - The composite fuel for hydrogen (5) generation, comprises a fuel that reacts endothermically to generate hydrogen, another fuel that reacts exothermically to generate hydrogen, ammonium hydroxide base and an oxidizing agent that is reduced electrochemically or chemically. The fuel is saturated and unsaturated hydrocarbons, oxygenated hydrocarbons, saturated and unsaturated hydrocarbon salt with carbon number of 1-10, oxygenated hydrocarbon salts, alcohols, saturated and unsaturated aldehydes with carbon number of 1-6, and ketones contain alkane, alkene and alkyne groups.    USE - Useful for hydrogen generation and for generating direct current power directly in fuel-oxidant reagent batteries and fuel-oxidant reagent fuel cells.    ADVANTAGE - The composite fuel is environmentally benign, requires minimal energy to extract hydrogen, ensures high energy conversion efficiency, and high gravimetric and volumetric energy density of the fuel and effectively produces the hydrogen with high quality and quantity in safe and simple manner.    DETAILED DESCRIPTION - The composite fuel for hydrogen (5) generation, comprises a fuel that reacts endothermically to generate hydrogen, another fuel that reacts exothermically to generate hydrogen, ammonium hydroxide base and an oxidizing agent that is reduced electrochemically or chemically. The fuel is saturated and unsaturated hydrocarbons, oxygenated hydrocarbons, saturated and unsaturated hydrocarbon salt with carbon number of 1-10, oxygenated hydrocarbon salts, alcohols, saturated and unsaturated aldehydes with carbon number of 1-6, ketones contain alkane, alkene and alkyne groups with carbon numbers of 1-6, ether, alkyl-acid with carbon number of 1-6, primary-, secondary- and tertiary metal alkoxides with carbon number of 1-10, and alkali- and alkaline-earth metal hydrides having formula (M1M2Hx)(where M1 is lithium, potassium and sodium, M2 is aluminium and boron and X is the number of hydrogen atoms). The fuel components are pre-mixed and are produced by in-situ process. The fuel components are a liquid or suspension. The composite fuel is a paste or in a solid state and is laminated in or mixed with a polymer, a supported catalyst or precursor salts of a catalyst. The polymer is in a form of porous sheets, powder, beads, fiber and flakes. The precursor salt is inorganic and organic salt of the transition metals. The composite fuel is catalytically or electrochemically converted to hydrogen and is used to generate DC power directly in fuel-oxidant reagent batteries and fuel-oxidant reagent fuel cells. The oxidant reagent is a material with an electrochemical reduction potential more positive than the composite fuel and is air, oxygen and hydrogen peroxide. The composite fuel is catalytically or electrochemically converted to hydrogen.    DESCRIPTION OF DRAWING(S) - The figure shows hydrogen generation by feeding the composite fuel into a catalytic or electrocatalytic fuel processor:    Composite liquid fuel; (1)    Container or cartridge; (2)    Pump; (3)    Processor; (4)    Hydrogen. (5)