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Where To Buy Ultra Low Sulfur Diesel


EPA is proposing a technical correction to the diesel fuel regulations to allow U.S. fuel manufacturers and distributors to sell distillate diesel fuel that complies with the global sulfur standard that applies internationally. See link below for more information on the proposal and instructions on how to submit comments.




where to buy ultra low sulfur diesel



EPA is proposing changes to the regulations at 40 CFR part 80, subpart I, to allow for distribution and sale of distillate diesel fuel that complies with the 0.50 percent (5000 ppm) global sulfur standard contained in MARPOL Annex VI starting in 2020. These regulatory changes will accommodate the supply and distribution of distillate diesel fuel as global marine fuel.


Federal regulations require the labeling of diesel fuel pumps to specify the type of fuel dispensed by each pump (except in California where all diesel fuel must be ULSD). Similar vehicle instrument panel and fuel inlet/fill cap labeling is mandated for 2007 and later model year highway engines and vehicles that require ULSD fuel.* Consumers are advised to check the pump and vehicle labels to ensure they are refueling with the proper diesel fuel consistent with their vehicle warranties.


Low sulfur diesel (LSD) was replaced with ultra-low sulfur diesel (ULSD) in 2006 as part of an initiative to substantially lower the emissions of particulate matter in diesel engines. The initiative began in the European Union and later expanded to the United States.


These regulations have been in effect for automobiles in the United States since the 2007 model year. As of December 1, 2010, ultra-low sulfur diesel has replaced low sulfur diesel at the gas pump, as proposed by the Environmental Protection Agency (EPA), and pumps dispensing ULSD must be labeled as such.


Ultra-low sulfur diesel is a cleaner burning diesel fuel that has a sulfur content that is about 97% less than that of low sulfur diesel fuel. ULSD is supposedly safe to use on older diesel engines, but there are some disputes about this due to the change in certain naturally occurring chemical components that aid lubricity, among other issues.


Ultra-low-sulfur diesel (ULSD) is diesel fuel with substantially lowered sulfur content. Since 2006, almost all of the petroleum-based diesel fuel available in Europe and North America has been of a ULSD type.


The move to lower sulfur content allows for the application of advanced emissions control technologies that substantially lower the harmful emissions from diesel combustion.[1] Testing by engine manufacturers and regulatory bodies have found the use of emissions control devices in conjunction with ULSD can reduce the exhaust output of ozone precursors and particulate matter to near-zero levels.[2]


In 1993 the European Union began mandating the reduction of diesel sulfur content and implementing modern ULSD specifications in 1999.[3][4] The United States started phasing in ULSD requirements for highway vehicles in 2006, with implementation for off-highway applications, such as locomotive and marine fuel, beginning in 2007.[5]


Sulfur is not a lubricant in and of itself, but it can combine with the nickel content in many metal alloys to form a low melting point eutectic alloy that can increase lubricity. The process used to reduce the sulfur also reduces the fuel's lubricating properties. Lubricity is a measure of the fuel's ability to lubricate and protect the various parts of the engine's fuel injection system from wear. The processing required to reduce sulfur to 15 ppm also removes naturally occurring lubricity agents in diesel fuel. To manage this change ASTM International (formerly the American Society for Testing and Materials) adopted the lubricity specification defined in ASTM D975[6] for all diesel fuels and this standard went into effect January 1, 2005.[7] The D975 standard defines two ULSD standards, Grade No. 2-D S15 (regular ULSD) and Grade No. 1-D S15 (a higher volatility fuel with a lower gelling temperature than regular ULSD).


China has limited sulfur in diesel fuel to 150 ppm (which is equivalent to the Euro III standard). The limits of 10 ppm (Which is equivalent to the Euro V standard), only applied for certain cities such as Beijing.[15]


Delhi first introduced 50 ppm sulfur diesel on 1 April 2010 as a step aimed at curbing vehicular pollution in the capital. This was done in 12 other cities at the same time. The sulfur content in the diesel being used was 350 ppm.[20]


There are two types of diesel available in India from year 2010. Bharat Stage IV (equivalent to Euro IV) specification having Sulfur level below 50 ppm is available all over the country and the Bharat Stage VI with ultra low sulfur was slowly introduced in New Delhi in April 2018.


Certain EU countries may apply higher standards or require faster transition.[24] For example, Germany implemented a tax incentive of per litre of "sulfur free" fuel (both gasoline and diesel) containing less than 10 ppm beginning in January 2003 and average sulfur content was estimated in 2006 to be 3-5 ppm. Similar measures have been enacted in most of the Nordic countries, Benelux, Ireland and the United Kingdom to encourage early adoption of the 50 ppm and 10 ppm fuel standards.[25]


Since 1990, diesel fuel with a sulfur content of 50 ppm has been available on the Swedish market. From the year 1992, production started of a diesel fuel with 2 to 5 ppm of sulfur and a maximum of 5% by volume aromatics. There are certain tax incentives for using this fuel and from about year 2000, this low aromatic, low sulfur fuel has achieved 98-99% penetration of the Swedish diesel fuel market. Now RME (rapeseed methyl ester, also known as FAME (Fatty Acid Methyl Ester)) is a biofuel additive.


Since 2003, a "zero" sulfur with very low aromatic content (less than 1% by volume) diesel fuel has been made available on the Swedish market under the name EcoPar. It is used wherever the working environment is highly polluted, an example being where diesel trucks are used in confined spaces such as in harbours, inside storage houses, during construction of road and rail tunnels & in vehicles that are predominantly run in city centres.


As of 2008, most accession countries are expected to have made the transition to diesel fuel with 10 ppm sulfur or less. Slightly different times for transition have applied to each of the countries, but most have been required to reduce the maximum sulfur content to less than 50 ppm since 2005.[26] Certain exemptions are expected for certain industries and applications, which will also be phased out over time. Compared to other EU countries, ULSD may be less widely available.


In Serbia, an EU candidate country, all diesel fuel has been of the ultra-low-sulfur ("evrodizel") type since August 2013.[27] Before that, there were two types of diesel fuel: D2 with 500 ppm sulfur or more, and low-sulfur "evrodizel".


Under Sulphur in Diesel Fuel Regulations (SOR/2002-254), the sulfur content of diesel fuel produced or imported was reduced to 15 ppm after 31 May 2006. This was followed by the reduction of sulfur in diesel fuel sold for use in on-road vehicles after 31 August 2006. For the designated Northern Supply Area, the deadline for reducing the sulfur content of diesel fuel for use in on-road vehicles was 31 August 2007.


An amendment titled Regulations Amending the Sulphur in Diesel Fuel Regulations (SOR/SOR/2006-163) allowed diesel with sulfur content up to 22 ppm to be sold for onroad vehicles between 1 September 2006 and 15 October 2006, then 15 ppm after that date. This amendment facilitated the introduction of 15 ppm sulfur diesel fuel for on-road use in 2006, by lengthening the period between the dates that the production/import limit and the sales limit come into effect. It provided additional time to fully turn over the higher-sulfur diesel fuel inventory for on-road use in the distribution system. The requirements of the Regulations were aligned, in level and timing, with those of the U.S. EPA.


Ultra-low-sulfur diesel fuel was proposed by EPA as a new standard for the sulfur content in on-road diesel fuel sold in the United States since October 15, 2006, except for rural Alaska which transferred in 2010. California has required it since September 1, 2006. This new regulation applies to all diesel fuel, diesel fuel additives and distillate fuels blended with diesel for on-road use, such as kerosene. Since December 1, 2010, all highway diesel fuel nationwide has been ULSD. Non-road diesel engine fuel moved to 500 ppm sulfur in 2007, and further to ULSD in 2010. Railroad locomotive and marine diesel fuel moved to 500 ppm sulfur in 2007, and changed to ULSD in 2012. There were exemptions for small refiners of non-road, locomotive and marine diesel fuel that allowed for 500 ppm diesel to remain in the system until 2014. After December 1, 2014 all highway, non-road, locomotive and marine diesel fuel is ULSD.


The allowable sulfur content for ULSD (15 ppm) is much lower than the previous U.S. on-highway standard for low sulfur diesel (LSD, 500 ppm) which allowed advanced emission control systems to be fitted that would otherwise be damaged and or rendered ineffective by these compounds. These systems can greatly reduce emissions of oxides of nitrogen and particulate matter.[1]


Because this grade of fuel is comparable to European grades, European engines will no longer have to be redesigned to cope with higher sulfur content in the U.S. These engines may use advanced emissions control systems which would otherwise be damaged by sulfur. It was hoped that the ULSD standard would increase the availability of diesel-fueled passenger cars in the U.S. In Europe, diesel-engined automobiles have been much more popular with buyers than has been the case in the U.S.


On June 1, 2006, U.S. refiners were required to produce 80% of their annual output as ULSD (15 ppm), and petroleum marketers and retailers were required to label[30] diesel fuel, diesel fuel additives and kerosene pumps with EPA-authorized language disclosing fuel type and sulfur content. Other requirements effective June 1, 2006, including EPA-authorized language on Product Transfer Documents and sulfur-content testing standards, are designed to prevent misfueling, contamination by higher-sulfur fuels and liability issues. The EPA deadline for industry compliance to a 15 ppm sulfur content was originally set for July 15, 2006 for distribution terminals, and by September 1, 2006 for retail. But on November 8, 2005, the deadline was extended by 1.5 months to September 1, 2006 for terminals and October 15, 2006 for retail. In California, the extension was not granted and followed the original schedule. As of December, 2006, the ULSD standard has been in effect according to the amended schedule, and compliance at retail locations was reported to be in place. 041b061a72


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