Usage Of Biodiesel Fuel
Biodiesel fuel usage can be done in pure form or it may be blended with petroleum diesel at any concentration, as in most injection pump diesel engines. Let us study the usage of biodiesel fuel on this page.
New common rail engines with extreme high pressure have stern factory limits of using biodiesel fuel, B5 or B20 depending on manufacturer. As Biodiesel fuel has different solvent properties than petrodiesel, it can degrade natural rubber gaskets and hoses in vehicles. Plus Biodiesel has been known to break down deposits of residue in the fuel lines, so as a result, fuel filters may get clogged with particulates if there has been a fast transition to pure biodiesel fuel. Therefore, when using biodiesel fuel, it is suggested to change the fuel filters on engines and heaters in a while after first switching to a biodiesel blend.
Manufacturer acceptance and vehicular usage of biodiesel fuel began in 2005, when Chrysler released the Jeep Liberty CRD diesels into the American market with 5% biodiesel blends. This was an indication of at least partial acceptance of biodiesel fuel usage. 2004 saw the the city of Halifax, Nova Scotia updating its bus system to allow the fleet of city buses to run completely on a fish-oil based biodiesel fuel. In 2007, McDonalds in UK announced that it would start producing biodiesel from the wasteoil of its restaurants and use biodiesel fuel to run its fleet.
Usage of biodiesel fuel in railway was first seen in British Train Operating Company Virgin Trains, which was transformed to run on 80% petrodiesel and only 20% biodiesel.
Some successful applications of biodiesel fuel were seen in the Royal Train in 2007 completed on its first ever journey run on 100% biodiesel fuel, eEver since the Royal Train has successfully run on B100. Another example of biodiesel fuel usage was seen on a short-line railroad in Eastern Washington which ran a test of a 25% biodiesel / 75% petrodiesel in 2008. Disneyland too began operating its park trains on B98 biodiesel blends.
Incidents of aircraft using biodiesel fuel have not been too many. A Czech jet aircraft did undergo a test flight completely powered on biodiesel. Other recent jet flights using biodiesel fuel however, have been known to use other types of renewable fuels.
Applications of biodiesel fuel can also be seen as a heating fuel in domestic and commercial boilers. A blend of heating oil and standardized biofuel which is taxed somewhat differently than diesel fuel is used here. It is sometimes known as "bioheat" and is available in various blends; up to 20%. Using biodiesel fuel existing furnaces without modification is considered acceptable.
Increase in the use of biodiesel fuel is projected in the coming years.