TECHNOLOGY FOCUS - BIOLOGY - Preferred Method: The fossil energy is consumed and the ratio between consumed fossil energy and energy value of the generated biofuel is smaller than 0.6, 0.5, 0.4 or 0.3. The fossil energy is consumed to produce a net energy gain greater than 50%, 100%, 150% or 200%. No fossil energy is consumed while processing first fraction or in either fractionating or processing first fraction steps. The amount of thermal energy generated in step (c) is greater than that consumed in fractionating and processing first fraction steps by at least 200%.    TECHNOLOGY FOCUS - BIOTECHNOLOGY - Preferred Method: The photosynthetically-produced biological material comprises material resulting from plants, algae and microorganisms. The plants are chosen from starch crops and oilseeds. The photosynthetically-produced biological material is chosen from corn, wheat, rice, sorghum, soybean, canola, sunflower and algae. The biofuel precursor is chosen from carbohydrates, polysaccharides, triglycerides, phospholipids, fatty compounds and products of their hydrolysis. The step of fractionating involves dehulling, debranning, decorticating, abrading, extracting, dissolving, enzymatically degrading, fermenting, steam explosion and their combinations. The starch crop is chosen from corn, wheat, rice and sorghum and where the biofuel is chosen from ethanol, biohydrogen and products of pyrolysis. The second fraction is further enriched in oil. 23. The oilseed is chosen from soybean, canola and sunflower and where the biofuel is chosen from biodiesel, fatty acid methyl esters, biohydrogen and products of pyrolysis. The providing step includes producing the material using a nutrient and where the nutrient is at least one of the further generated compounds and its products. The further generated organic matter is used as a nutrient in at least one of feed, food and the providing step. The biofuel generated in the processing step is processed to generate thermal energy in processing second fraction. The method further involves at least one additional commercial product. The additional commercial product is chosen from a feed component, a carbohydrate, oil, glycerol, a fatty acid, unsaturated fatty acids, omega 3 fatty acids, arachidonic acid, xanthophylls, carotenoids, beta carotene, Co-enzyme Q-10 and astaxanthin. The photosynthetically-produced biological material is starch crop, the biofuel precursor is starch and the cell- wall material is fiber. The photosynthetically-produced biological material is an oilseed crop, the biofuel precursor is oil and the cell-wall material is fiber.    TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Method: The processing steps to generate energy and the processing steps to generate biofuel further generates at least one compound chosen from metal oxides, metal hydroxides, inorganic salts, ashes, organic matter, proteinous matter, organic and inorganic phosphorus compounds, organic and inorganic nitrogen compounds and their combinations. At least one of the processing steps to generate energy and the processing steps to generate biofuel further generates carbon dioxide. The providing step includes producing the material utilizing the further generated carbon dioxide. The oxygen is generated in the providing step and where the oxygen is used in the processing step.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - Preferred Method: The processing to generate energy includes oxidation, combustion, burning and their combinations or fermenting, esterifying, trans-esterifying, pyrolysis, gasifying, reforming and its combinations. The processing step (d) to generate biofuel uses at least one catalyst chosen from chemical catalysts and biological catalysts. The energy-consuming operation is at least one of heating, distilling, concentrating, separating and drying. The thermal energy generated in the processing of step is further used in at least one of providing step and fractionating step. At least one of the fractionating step and the processing step further generates organic matter. The further generated organic matter is used to generate thermal energy in processing step. EXAMPLE - None given.