TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Process: The combustion gas (CO + CO2) is combined with hydrogen (preferably originating from water) for producing organic molecules (e.g. methane) and energy, and where the process combines (1) the production of energy from the combustion of organic fuels, with (2) the process of gasification and/or pyrolysis and with (3) any process of utilizing synthesis gas, such as methanation, methanol production, ammonia production, urea production, Fischer-Tropsch synthesis and any other utilization of the above in the production of energy and energy-harboring compounds. The gasification is performed within the temperature range of 500-2000 (preferably 800-1200) degrees C and within the pressure range 0.5 to 10 bar. The temperature of the oxygen-containing gas and water for the gasification of the organic material is 500-2000 (preferably 800-1200) degrees C. The process of utilizing the synthesis gas is methanation conducted at 150-600 degrees C at a pressure of 1-50 bar. The process of utilizing the synthesis gas is methanol synthesis conducted at pressures of 50-100 bar, and at not greater than 570 degrees K. The process utilizing the synthesis gas includes a Fischer-Tropsch reaction conducted with at least one catalyst including e.g. a mixture of Co and Ni or pure Co or pure Ni optionally including support materials like carbon nanofibers or carbon nanotubes or Al2O3 or TiO2. The Fischer-Tropsch reactor is a multitubular fixed-bed, riser or slurry reactor operating at up to 570 (preferably 530) degrees K. EXAMPLE - Using the source of heat, water and oxygen from a combustion unit, gasification for H2 and CO production based on entrained flow gasifier was used in a combined process with water dissociation and CO2 methanation. It consists of three chemical steps, gasification reaction, shift reaction and methanation reaction. The hydrogen recovery step was performed at 300-1200 degrees C in entrained flow gasifier at 1600-2200 degrees K and atmospheric pressure. The gases that were developed were hydrogen, carbon monoxide and carbon dioxide. The carbon monoxide was reacted with water to further develop more hydrogen in the water-gas shift reaction. The water-gas shift reaction was carried out using to adiabatic fixed-bed reactors with cooling between the two reactors. The first reactor (High Temperature Shift) operated at high temperature (350 degrees C) and contained a classical catalyst (iron oxide promoted with chromium oxide). The second reactor contained a more active catalyst (copper on a mixed support of zinc oxide and aluminum oxide) and operated at lower temperature (Low Temperature Shift, 190-210 degrees C). The hydrogen was used together with the CO2-containing exhaust gas and reacted over a methanation catalyst, Nickel on aluminum oxide support for providing methane and water at 350 degrees C and atmospheric pressure. Including the energy in the produced methane, the electrical efficiency for the whole set up was as high as 70%.