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For dyed fuel, see fuel dyes. This article is about transesterified lipids. For hydrogenated alkane renewable diesel, see Vegetable oil refining. For biomass and organic waste-to-fuel production, see Biomass to liquid. For a broader coverage related to this topic, see Biofuel. Biodiesel is meant to be used in standard diesel engines and is thus distinct from the vegetable and waste oils used to fuel converted diesel engines. Biodiesel can be used alone, or blended with petrodiesel in any proportions.
Biodiesel blends can also be used as heating oil. Blends of biodiesel and conventional hydrocarbon-based diesel are products most commonly distributed for use in the retail diesel fuel marketplace. The B6 to B20 blends are covered by the ASTM D7467 specification. In-line mixing, two components arrive at tanker truck simultaneously.
Metered pump mixing, petroleum diesel and biodiesel meters are set to X total volume, transfer pump pulls from two points and mix is complete on leaving pump. B5 or B20, depending on manufacturer. Since the passage of the Energy Policy Act of 2005, biodiesel use has been increasing in the United States. The Volkswagen Group has released a statement indicating that several of its vehicles are compatible with B5 and B100 made from rape seed oil and compatible with the EN 14214 standard. The use of the specified biodiesel type in its cars will not void any warranty.
Any damages caused by the use of such non-approved fuels will not be covered by the Mercedes-Benz Limited Warranty. Starting in 2004, the city of Halifax, Nova Scotia decided to update its bus system to allow the fleet of city buses to run entirely on a fish-oil based biodiesel. This caused the city some initial mechanical issues, but after several years of refining, the entire fleet had successfully been converted. This fuel would be used to run its fleet.
Prince Charles and Green Fuels managing director James Hygate were the first passengers on a train fueled entirely by biodiesel fuel. 2008, purchasing fuel from a biodiesel producer sited along the railroad tracks. The program was discontinued in 2008 due to storage issues, but in January 2009, it was announced that the park would then be running all trains on biodiesel manufactured from its own used cooking oils. This is a change from running the trains on soy-based biodiesel. Washington Cog Railway added the first biodiesel locomotive to its all-steam locomotive fleet.
The fleet has climbed up the western slopes of Mount Washington in New Hampshire since 1868 with a peak vertical climb of 37. On 8 July 2014, the then Indian Railway Minister D. A test flight has been performed by a Czech jet aircraft completely powered on biodiesel. Other recent jet flights using biofuel, however, have been using other types of renewable fuels. The Eco-skies Boeing 737-800 plane was fueled with 40 percent Solajet and 60 percent petroleum-derived jet fuel. For the next three years, the Paramount, California-based company will pump biofuel directly to the airport from their nearby refinery. Biodiesel can also be used as a heating fuel in domestic and commercial boilers, a mix of heating oil and biofuel which is standardized and taxed slightly differently from diesel fuel used for transportation.
Bioheat fuel is a proprietary blend of biodiesel and traditional heating oil. Older furnaces may contain rubber parts that would be affected by biodiesel’s solvent properties, but can otherwise burn biodiesel without any conversion required. Care must be taken, however, given that varnishes left behind by petrodiesel will be released and can clog pipes- fuel filtering and prompt filter replacement is required. New York City has passed a similar law.
Biodiesel has displayed its capacity to significantly dissolve crude oil, depending on the source of the fatty acids. In 2001, UC Riverside installed a 6-megawatt backup power system that is entirely fueled by biodiesel. Backup diesel-fueled generators allow companies to avoid damaging blackouts of critical operations at the expense of high pollution and emission rates. By using B100, these generators were able to essentially eliminate the byproducts that result in smog, ozone, and sulfur emissions. Transesterification of a vegetable oil was conducted as early as 1853 by Patrick Duffy, four decades before the first diesel engine became functional.
It is often reported that Diesel designed his engine to run on peanut oil, but this is not the case. Despite the widespread use of petroleum-derived diesel fuels, interest in vegetable oils as fuels for internal combustion engines was reported in several countries during the 1920s and 1930s and later during World War II. More recently, in 1977, Brazilian scientist Expedito Parente invented and submitted for patent, the first industrial process for the production of biodiesel. This process is classified as biodiesel by international norms, conferring a “standardized identity and quality. No other proposed biofuel has been validated by the motor industry. Research into the use of transesterified sunflower oil, and refining it to diesel fuel standards, was initiated in South Africa in 1979.
By 1983, the process for producing fuel-quality, engine-tested biodiesel was completed and published internationally. Throughout the 1990s, plants were opened in many European countries, including the Czech Republic, Germany and Sweden. Biodiesel has promising lubricating properties and cetane ratings compared to low sulfur diesel fuels. Fuels with higher lubricity may increase the usable life of high-pressure fuel injection equipment that relies on the fuel for its lubrication. Older diesel Mercedes are popular for running on biodiesel.