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Petroleum-based fuels are now widely known as environmentally unfriendly because of non-renewable supplies and its contribution to environmental pollution. The challenge, therefore is to ensure appropriate energy supplies at minimum cost. There is an increasing energy demand in the world and nowadays it can be fulfilled only on the basis of fossil fuels. Therefore it is necessary to evolve a renewable energy source with lower environmental impact. One alternative solution can be oils of plant origin, like vegetable oils and non-edible oils. With waste vegetable oil methyl ester (WVOME), biofuel dependency can be decreased. Therefore, the aim of this research paper is to analyse the economic and environmental effect of WVOME compared to fossil fuels. In some cases only the age of vehicles could raise burdens to biofuel utilization in road vehicles. Transport and energy policy – on a large scale – can play an important role in fuel consumption. Author is aware that WVOME can play only a limited role in biofuel substitution.
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