NOVELTY - Fuel composition having substantially reduced carbon dioxide (CO2) emissions while retaining combustion efficiency, comprises a predetermined amount of a waste oil, and a cellulose material to absorb the predetermined amount of waste oil, where when the composition is subject to combustion the composition exhibits a CO2 emission of less than 2%, an sulfur dioxide (SO2) emission of less than 0.2 wt.%, an ash content of less than 1 wt.%, and a net calorific value of greater than 25 MJ/kg.    USE - The fuel composition is useful: for co-combustion with coal in a coal-fired power station (claimed) to drive turbines that produce electricity; and as an alternative fuel source.    ADVANTAGE - The fuel composition: provides an alternative fuel source, which has the ability to produce energy efficiently; reduce reliance on fossil fuel reserves and carbon emissions; replace coal; and leaves a low ash content. The fuel composition is produced in a cost effective and environmentally friendly manner.    DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for: (1) producing a fuel for co-combustion with coal in a coal fired power plant, including (i) providing a predetermined amount of cellulose waste material, (ii) providing a source of waste oil such as engine oil or the like, (iii) comminuting the cellulose material by filtering to obtain particle sizes of less than 1 mm, (iv) decanting the waste oil at a temperature less than ambient temperature for reducing moisture content, (v) passing the cellulose material of reduced size through a vibrating hopper to substantially minimize particle bonding/coagulation, (vi) introducing the predetermined amount of cellulose material into a mixing chamber, (vii) adding progressively the decanted oil to the mixing chamber to form a composition with the cellulose material, where the amount of oil added is 10-20 wt.%, and (viii) allowing air drying of the composition at ambient temperature for 24-48 hours, where when the resultant fuel is subject to combustion, the fuel burns at 1100 degrees C with substantially reduced CO2 emissions and a resulting ash content of less than 1%; and (2) preparing a fuel composition for co-combustion with coal in a coal fired power station, including (a) providing a mixing tank, a source of waste oil comprising spent engine oil, spent aviation fuel, spent marine fuels, lubricants, vegetable oils, animal fats, municipal waste, Camellina, algal oil, sewage sludge, babasu, cooking oils, fuel oils and the like, (b) a source of recycled medium density fiberboard (rMDF), (c) pre-treating the rMDF with a water resistant material to form a coating, (d) comminuting the pretreated rMDF by filtering to obtain particle sizes of less than 1mm in diameter, the step (iv) as above per se, (f) passing the rMDF of reduced size through a vibrating hopper to substantially minimize particle bonding/coagulation, (g) introducing a predetermined amount of the rMDF material into the mixing tank, (h) adding progressively the decanted oil to the rMDF in the mixing tank to form a composition with the rMDF material, where the amount of added oil is 10-20 wt.%, and (j) allowing air drying of the composition in the tank at ambient temperature for about 24-48 hours, where the waste oil is preferentially absorbed by the pre-treated rMDF to form a coagulated mixture having substantially low water content, and the mixture provides an alternative fuel source for co-combustion with coal in a coal fired power plant with low carbon emission and low ash content while substantially maintaining combustion efficiency.