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:o Although they produce fewer greenhouse gases than fossil fuels, from the perspective of the entire production and processing process, biofuels are not necessarily more environmentally friendly than fossil fuels. The above conclusions come from a research report released on the 22nd by Swiss departments such as the Ministry of Transport, Mobility and Energy. Although biofuels are made from renewable materials, their large-scale cultivation and processing can cause greater harm to the environment; for example, excessive fertilization of farmland to increase yields, and the cultivation of single crops can lead to the destruction of biodiversity. Furthermore, the development of the biofuel industry can also conflict with other land uses such as food production and forest conservation. The environmental harm caused by biofuels mainly occurs during the production of raw materials. The report suggests that using household waste and agricultural residues as raw materials for biofuels is a relatively ideal option, as the production and processing of such materials do not cause serious harm to the environment. The report states that the environmental harm caused by biofuels mainly occurs during the production of raw materials. In tropical regions, the reckless deforestation of tropical rainforests severely damages biodiversity. In temperate regions, these hazards mainly stem from excessive fertilization and mechanized farming. The report suggests that using household waste and agricultural residues as raw materials for biofuels is a relatively ideal option, as the production and processing of such materials do not cause serious harm to the environment.