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Production of biofuels in addition to reduction of dependence on non-renewable fossil fuels reduces greenhouse gases. Now annually most of cereal residues of Iran such as, wheat, corn, barley and rice are burned by farmers that besides investment losses and loss of soil organic matter, is the cause of environmental pollution. Biofuel is one of the most important alternative fuels that use of crop residues is one of important resource for it production. Accordingly, by appropriate management of crop residues, in addition to annual production of 5.25 giga liters of ethanol, some of needed gasoline can be replaced with renewable and lower contaminant fuel. Also, it can prevent the undesirable environmental effects of residues burning and so this approach is necessary for the development of sustainable agriculture and supply the energy requirements.

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Every year various types of agricultural plants are cultivated for the purpose of human nutrition, industrial applications and also livestock feed in the world. Unfortunately, a huge amount of these plants is converted to waste mostly due to sub-standard harvesting and planting, incorrect pests and processing. In this investigation, the potential of waste generated from date in Khuzestan province as an agricultural hub of Iran has been discussed. Almost 10 to 15% of the produced date in the word is turned into waste, mostly depending on the cultivated area, which has a great potential for the production of biofuels. Based on the results obtained in this study, annual potential of Khuzestan Province is about 313 thousand tons of date leaves and 49 thousand tons date seeds, of which about 31 million liters of bioethanol can be produced from palm leaf waste and around about 5 thousand tons of biodiesel could be obtained. Results indicated that the province's production potential from date fruit waste was 0.26 million liters of biobutanol, 1.01 million liters of bioethanol, 1.71 million cubic meters of biogas and 0.71 million cubic meters of biohydrogen. The results for biofuel generated from date waste show promising alternatives fuel additives which could have a positive impact on the environment due to reduction in pollution mostly generated from using fissile based fuel in the province.