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Biodiesel in the United Kingdom : ウィキペディア英語版 | Biodiesel in the United Kingdom Biodiesel is rapidly becoming more common in a number of developed countries and the environmental effects of using biodiesel either as a blend such as B20 (20% biodiesel and 80% petrodiesel) or as a straight fuel stock may be different in various countries. This is because the allowable amounts of sulphur and other compounds vary from country to country. Additionally, the average temperature in a country will dictate the amount of biodiesel that can be blended into the fuel supply before the cold filter plugging point (the temperature at which the fluid will block a 45 µm filter) renders the fuel unusable. The national annex of BS EN 14214 specifies a maximum CFPP for B100 biodiesel of -15 °C in the winter (16 November - 15 March inclusive) and -5 °C for the rest of the year. As such, the benefits and disadvantages of biodiesel will vary from those in the United Kingdom. ==Environmental benefits==
Making and burning biodiesel contributes to atmospheric carbon dioxide to a smaller extent than burning fossil fuels. The calculation of exactly how much carbon dioxide is produced is a complex and inexact process, and is highly dependent on the method by which the biofuel is produced. The graph on the right shows the figures calculated by the UK Government for the Renewable transport fuel obligation.〔(Carbon and Sustainability Reporting Within the Renewable Transport Fuel Obligation )〕
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Biodiesel in the United Kingdom」の詳細全文を読む
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