Shop for Diesel Exhaust Fluids at Tractor Supply Co. Design to test the urea purity to maintained 32. Diesel Exhaust Fluid (DEF) is a urea-based solution designed specifically for use in SCR (Selective Catalytic Reduction) systems to reduce NOx emissions from diesel engines. We understand that being a responsible business is about more than the bottom line. If the DEF issue has not been corrected, the light will continue to flash when the vehicle is started. Some of the manufacturers including Inabgo DEF are Tata Diesel Exhaust Fluid,Tata Truck Diesel Exhaust Fluid,Benz Diesel Exhaust Fluid,Bharatbenz Diesel Exhaust Fluid,Bharat Benz Diesel Exhaust Fluid,Mahindra Diesel Exhaust Fluid,Cummins Diesel Exhaust Fluid etc. Sun Coast Resources, LLC is a dedicated supplier of AirBlueFluids DEF. 1 Aftertreatment diesel exhaust fluid dosing unit is malfunctioning. 5% de-ionized water, mixed with 32. 700–1100°C. Start your o rder online or by calling 972-999-1777 today! Los Angeles. See the diesel fuel price and gas prices near me, intended bio blends and propane prices, and DEF cost right now at Pilot Flying J with fuel cost. This near-term target plays a significant role in Rolls-Royce Group’s ambition to achieve net zero by 2050 at the latest. API certified diesel exhaust fluid. Container Size: 300 Gallon. Diesel exhaust is classified as. Yes; Refer to section "Diesel Exhaust Fluid in Fuel" for fuel intrusion or Refer to section "Diesel Exhaust Fluid in Coolant" for coolant intrusion. It wasn’t that long ago when people reviled cars, trucks and buses with diesel engines for their. 58 / Monday, March 26, 2012 / Rules and Regulations Revision date: 03/05/2015 Supersedes: 07/01/2009 Version: 1. The diesel exhaust fluid is non-hazardous, non-toxic, and non-flammable. Earn Points with Purchases! Join Neighbor's Club. Subject: Reminder of Conditions affecting Diesel Exhaust Fluid (DEF) Shelf Life and Fluid Quality . 5% deionized water. Deleting a Diesel Exhaust Fluid (DEF) system is not recommended due to legal and safety considerations. We aim to show you accurate product information. Parts like Diesel Exhaust Fluid System are shipped directly. Product identifier Diesel Exhaust Fluid Other means of identification FIR No. We only have one planet, so we all have a responsibility to do our part to sustain it. 99. It is recommended that exhaust fluid be stored between 40 and 80 degrees, and it has an effective shelf life of one year when stored at 80 degrees. AdBlue diesel exhaust fluid is designed to work with Selective Catalytic Reduction (SCR) technology. Diesel exhaust fluid, or DEF, is an aqueous urea solution used by diesel burning vehicles to reduce the amount of nitrogen oxides being emitted into the air. Fluide d'échappement diesel H2Blu (DEF) Recochem, solution non toxique, inodore et incolore, 9,46 L. 10. Diesel exhaust fluid consists of deionized water and urea. Mfr. Most diesel vehicles have a DEF tank located near the fuel tank, and you can refill it using DEF fluid available at most auto parts stores. Treat with respect. The market is likely to progress at healthy growth rate of 7. 5% urea. Other aftermarket methods only remove between 30%-60% of. With an API Diesel Exhaust Fluid (DEF) License, a marketer shows its customers first-hand that it believes in. Diesel Emissions Fluid (DEF) Injector. Shop today!Product Name: Diesel Exhaust Fluid STCC: 2818142 1. Call us today on 0330 123 3773 or fill in our quote form for a competitive AdBlue price or to simply find out more. Contact us to find the stations and partners near you. DEF Freezes in Cold Temperatures. Watch the video to learn more. API Diesel Exhaust Fluid Certification is a marketer’s testament to its conviction to the environment, its assurance of quality, and its dedication to helping industry meet the EPA diesel engine emissions requirements. Net Weight: 2730 Lbs. The package size chosen depends on the number of trucks operating on. Urea, also known as carbamide, is a naturally-occurring substance most frequently found in mammal urine. appropriate local exhaust ventilation, or other engineering controls to control airborne levels below the recommended exposure limits/guidelines. It is a non-toxic, high quality and highly pure Aqueous Urea Solution that works with SCR (Selective Catalytic Reduction) technology to chemically change harmful nitrogen oxide (NOx) emissions from heavy-duty diesel. ”. 2. However, seepage, faulty connectors, and damage can lead to leaks in the diesel exhaust fluid system. A diesel engine's emissions of diesel exhaust fluid (DEF), also known as AUS 32 and sold as AdBlue, are used to lessen air pollution. Ports Petroleum has been supplying its customers with diesel exhaust fluid since the product was introduced to the North American market in 2010. 37. › See more product detailsThe simplest way to describe the purpose of diesel exhaust fluid is that it helps to convert engine exhaust into clean, harmless, and natural elements. The result is remarkable; DEF breaks down NOx to H 2 O (water), CO 2 (Carbon Dioxide) and N 2 (Nitrogen). Watch on. Includes a special nozzle for easy pouring. It is supplied via distributors across the US, so you are never far away from an Air1 North American distributor. In storage or when the engine is not in use, DEF will freeze at 12°F (-11°C). The most convenient AdBlue network in New Zealand. Cities in Virginia that begin with the letter "B". This system is called a Selective Catalytic Reduction (SCR) implemented by vehicle manufacturers to meet EPA emissions standards in 2010. This includes products such as: Lumber and panel products, gypsum wallboard. Water weighs 8. Find here Diesel Exhaust Fluid, AdBlue manufacturers & OEM manufacturers in India. DEF Only Sticker - Diesel Exhaust Fluid Label by Fuel Stickers | 6x2 | 3 Labels. 5% urea. 5% deionized water and 32. Diesel exhaust fluid meets ISO 22241 specifications. Suite 458, Fairfax, Va 22035. Daniel Brooks. CauseDiesel Exhaust Fluid 55 Gal Drum 68035700AC 17 Diesel Exhaust Fluid (DEF) 1 Gal 68035704AC 17 Diesel Exhaust Fluid (DEF) 2 5 Gal 68056278AC 17. Diesel exhaust fluid is a urea solution regulated by the American Petroleum Institute (API), comprising 67. Verified Supplier . 4. 25 pounds. Shell Rotella® DEF Usage. Free Delivery-Shipping to: - A -Cities in Iowa that begin with the letter "A". Old World Industries, LLC 3100 Sanders Road Northbrook, IL 60062 - USA T. Household Hazardous Waste Hours. 9 x 11. Urea is used in various industries. TrustSEAL Verified Verified Exporter. All Pick Up in Store Ship to Home. 5 Gallon Diesel Exhaust Fluid (DEF) - 2. There is a quick way to get rid of your DEF fluid and it is recommended by about 99% of the people on the different discussion forums. In addition, Ricochet Fuel offers 2. Frozen diesel exhaust fluid does not harm the integrity of the product, simply thaw for use. 5% deionized water and 32. 5% high purity urea and 67. Add to cart. 7L Diesel 2017-2020,Ram 2500 3500 4500 5500 6. 2. According to TMR analysts, the global diesel exhaust fluid market is anticipated to generate value of US$14. 7. We also own & operate a number of Fuel Mart truck stops in OH, IN, IL & SD. 5-percent urea and 67. 5% high purity synthetic urea and 67. Scroll down to highlight Diesel Exhaust Fluid. 9 L. 5 percent). Appropriate engineering controlsDEF is a solution (or mixture) of 32. Relevant identified uses of the substance or mixture and uses advised against . Customer Rating: 3. . Overview. A vehicle sat for an extended period of time. It is effectively non-toxic, as well as being pH-neutral. Urea, also known as carbamide, is a naturally-occurring substance most frequently found in mammal urine. “We are approximately seven years into using aftertreatment with DEF systems and we still see issues,” says Miller. What Is Diesel Exhaust Fluid? Diesel Exhaust Fluid (DEF) is used in diesel engines. Emergency. Diesel Exhaust Fluid (DEF) Warning Light This light, a Driver Information Center (DIC) message, and a chime come on when there is an issue with the Diesel Exhaust Fluid. 2 results for Diesel Exhaust Fluid in UAE. Ports Petroleum is a wholesaler & transporter of diesel, gasoline, home heating oil, & diesel exhaust fluid. DEF is a 32. My focus is with Military families who are seeking to refinance their mortgage. We find this more common on - and 1-ton pickups which do a lot of heavy towing. This fluid is stored in a separate container and is sprayed into the exhaust stream of diesel vehicles to cause a chemical reaction. 5-gallon container with a handle for convenient transportation. 945. Non-flammable and nontoxic fluid, safe for transportation. Check Engine Lamp – check fluid levels, gages, sounds, and smells – make a plan to get. DEF tank might have been cleaned but problem persists. Diesel Exhaust Fluid can be used again, once thawed, as it returns to its original state. This fluid is compatible with all the selective catalytic reduction system. COMBuy DEF Fluid Diesel Exhaust Fluid in Virginia | Free Shipping | Best Prices | 55-Gal Drum Barrel | 275-Gal Totes Bulk | Supplier of DEF Fluid diesel exhaust fluid for sale in Virginia. Diesel exhaust fluid, or DEF, is an aqueous urea solution used by diesel burning vehicles to reduce the amount of nitrogen oxides being emitted into the air. Diesel powers 98% of the large over-the-road Class 8 trucks hauling these goods. Urea decomposes into ammonia (NH3) which acts as reducing agent in the de-NOx reaction process. AdBlue or diesel exhaust fluid (DEF) This is an aqueous urea-based solution stored in a dedicated tank and injected into the exhaust stream of a diesel engine to lower harmful emissions. See reviews, photos, directions, phone numbers and more for the best Mufflers & Exhaust Systems in Springhill, LA. 5 Gallon Diesel Exhaust Fluid (DEF) - 2. E info@dieseldirect. 5% de-ionized water. " and that it had to be corrected in less than 200 miles or the engine would not start. Detroit, MI) Results: mile radius. Earn Rewards Faster with a TSC Card! Credit Center. DEF is a specific. Diesel fuel is derived from crude oil through a process called refining. Diesel Exhaust Fluid can also be purchased in. Diesel exhaust composition. An active code merely means that the fault is happening “now. DEF is used as a consumable in selective catalytic reduction (SCR) in order to lower NO X concentration from diesel exhaust emissions. Check the Diesel Exhaust Fluid (DEF) for contamination. Diesel Exhaust Fluid (DEF) is a special fluid that exists to reduce the emission of nitrogen oxide with the help of a catalytic converter. gov. 5% de-ionized water. This diesel exhaust fluid is a pure, aqueous solution of urea and water that is used in new diesel-powered engines with selective catalytic reduction technology. 2. The DEFTHV should be installed on the DEF tank coolant supply line. 5 57-13-6 Urea 32. Neck Diameter (in): 2-3/8 Inch. El fluido de escape diésel es una solución al 32,5 % de urea técnicamente pura en agua purificada. 0L Engine. It is formulated to meet the exacting requirements of SCR systems and provides efficient NOx reduction. Diesel Exhaust Fluid (DEF) 8 gal (30. 7L Diesel 2013-2020 $59. #038-0769-4. AdBlue is a non-toxic, non-polluting, and non-hazardous premium-quality Diesel Exhaust Fluid (DEF) specially designed for SCR systems used in diesel-powered vehicles (BS-IV and BS-VI) to reduce NOx emissions. Urea is a compound in Nitrogen that turns to ammonia when heated and is used in a variety of industries. It breaks down nitrogen oxide (NO x) emissions into harmless water vapour and nitrogen gas. Systems Solution for Diesel Emissions. This content is for general information only. 1. Shop today!Diesel Mechanic in Sarepta on YP. Distributor. Running out of diesel exhaust fluid causes your vehicle to experience a dramatic reduction in power and slows it to a crawl. 5% urea and 67. It is a 100 per cent New Zealand made exhaust system additive that reduces Nitrogen Oxide (NOx) emissions from diesel engines. No; Go to step 2. Diesel exhaust fluid (also referred to as DEF or AUS 32) is injected into the diesel exhaust stream and the heat from the exhaust, the fluid, and a catalyst convert the NOx into the harmless gases. Diesel Exhaust Fluid retail outlet package available from Yara – a pioneer in the Diesel Exhaust Fluid market. 8 inches. When DEF is mixed with exhaust fumes, the de-ionized water evaporates cleanly and allows the urea to go to work, thermally decomposing to form ammonia (NH3) and isocyanic acid (HNCO), the latter of which hydrolyses (breaks down the compound) to form carbon dioxide (CO2) and ammonia. BlueDEF Diesel Exhaust Fluid (Spanish) Fichas de datos de seguridad conforme al Federal Register / Vol. Instructions. 1. Product Name: Diesel Exhaust Fluid (DEF) Page 2 of 8 Revision Date: 02/20/2020 Take off contaminated clothing and wash before reuse. DEF TRANSFER PUMP & TOTE KIT – HORNET W85. Made from non-toxic chemicals, you don't have to worry about this DEF fluid creating pollution. 5 deionized water. Telemetry Fuelcard Storage and Package Items Promotional Items. Obtener atención médica. Diesel Exhaust Fluid, for Automotive, For Truck. DEF itself is a solution of 32. DEF is a fluid that is non-hazardous, non-flammable, and non-toxic. 5% urea. Diesel Exhaust Fluid (DEF) is one of the key elements of the Selective Catalytic Reduction (SCR) process used by most medium and heavy-duty engine builders to meet EPA 2010 regulations. DEF is an odorless, colorless, non-flammable and nontoxic solution that is harmless to people, equipment and the environment. Urea is a derivative of urine byproducts, made. *We have DEF at the pump in 95% of our locations, for lane count visit store detail page. The solution is injected in the stream of hot exhaust gases and is carried to the SCR catalyst, where it chemically reacts with its surface material and NOx. If the DEF level has not been corrected, the light will continue to flash when the vehicle is started. BlueDEF Platinum meets ISO Standards 22241 for purity and composition and is an American Petroleum Institute (API) certified diesel exhaust fluid. It is formulated to meet the exacting requirements of SCR systems and provides efficient NOx reduction. 5% urea and 67. If you happen to find a spill that’s dried into the small white crystals formed by evaporated DEF, this too can be wiped away safely. Reduces NOx emissions in diesel vehicles with an SCR catalyst. Atlas Fuel Services provides on-site and mobile fuel services for above ground fuel tanks for easy fuel access right at your facility. A small tank with a fluid level sensor stores. We manufacturer DEF making machine in India and designed specifically as per needs of our Indian customers. Last. Genuine BMW Diesel Exhaust Fluid Adblue:832516 83190441139(x2) New OE. It was mandated to come into use beginning with 2010-manufactured engines. * Diesel exhaust fluid freezes at 12 F. It is a safe-to-use fluid. Furthermore,. Includes a special nozzle for easy pouring. Over the last 30 years, the industry has reduced emissions from heavy-duty diesel trucks, buses and other vehicles by. 29 Reviews. Kolkata, West Bengal. The fluid reduces nitrogen oxide gases into harmless nitrogen and water vapour. Here are the top three ways DEF gets contaminated: Cross. 99. S. If you do accidentally spill fluid, you can simply wipe it up with a towel and water. Diesel exhaust fluid consists of 67. Shop today! We provide fuel, diesel exhaust fluid, and lubricant storage tanks along with all the equipment and accessories. 1 Aftertreatment diesel exhaust fluid dosing unit return circuit check. 590. Refer to Procedure 011-058. comDEF, also known as AdBlue ®, AUS 32 and ARLA 32, is a non-toxic, colourless, odourless and non-flammable fluid. If stored too long, theoretically. Steel products and machinery. Always keep your DEF free from contamination and stored properly. 5 percent ultra pure automotive grade urea. It’s basically a non-hazardous solution of 32. Diesel Exhaust Fluid, used in SCR vehicles, can be purchased at any licensed Diesel Exhaust Fluid supplier. Ahmedabad, Gujarat. We provide a turn-key solution with specialized DEF pumps on. 5 ALPHABETICAL INDEX ITEM SIZE PART NUMBER PAGE NO. 97. Other symptoms may include feeling lightheaded. Diesel exhaust fluid is a mix of de-ionized water and urea, which reacts with the hot exhaust gases to cut nitrogen oxide emissions,. Shell Rotella® DEF Usage. This, in turn, can lead to increased engine longevity and lower maintenance costs. DEF is a purified water, and urea solution injected into diesel engines’ exhaust streams. Neil said DPF not DEF for under 75HP. Diesel exhaust is a complex mixture, but is made up of three fractions: solid, condensed (or liquid), and gaseous fractions (Chan et al. Muffler Shop in Springhill on YP. The global Diesel Exhaust Fluid (DEF) market size reached USD 34. An operator should fill the diesel exhaust fluid tank with every fuel stop. 2. For the SCR unit to operate properly, the DEF must meet an. DEF levels can also be checked manually. 5 percent automotive grade urea and 67. 5% water. DEF is available right at the pump at Ricochet Fuel’s Euless location, seven days a week, 24 hours a day. com offers the wholesale prices for genuine 2015 Jeep Grand Cherokee parts. 5 percent pure de-ionized water that works with selective catalytic reduction (SCR) emission-reducing technology to reduce NOx emissions. Less Info Countries: CANADA, UNITED :STATESDocument IDIK1201442 Availability: Revision: 1 Major System: ENGINES Created: 10/14/2019 Current Language: English Last Modified: 4/16/2020 Other Languages: NONE Author: Sean McGannon Viewed: 559 Hide Details Coding Information Copy Link Copy Relative Link Bookmark Add to Favorites. 5%, it turns solid. A drum of DEF Diesel Exhaust Fluid. O Box : 150186 Phone : 06-5344246 Call Mobile : 050-7976146 Call. 5 Section 4 - FIRST AID MEASURES InhalationQuality diesel exhaust fluid ensures reliable service. SAFETY DATA SHEET GHS product identifier Other means of identification Product type Section 1. Pros. This system is called a Selective Catalytic Reduction (SCR) implemented by vehicle manufacturers to meet EPA emissions standards in 2010. 5-gallon container with a handle for convenient transportation. BlueDEF is not a fuel or fuel additive. MoparPartsGiant . 34 lbs per gallon. Note: This product may require up to 2 additional days for. OCTONOL Diesel Exhaust Fluid (DEF) is suitable for all Bharat Stage 4 and Bharat Stage 6 engines fitted with SCR systems. This near-term target plays a significant role in Rolls-Royce Group’s ambition to achieve net zero by 2050 at the latest. 5 Gallon. 3 million in 2022 to USD 11,979. What is Diesel Exhaust Fluid? DEF is a 32. 2 units per case. Diesel Exhaust Fluid can be used again, once thawed, as it returns to its original state. It is a safe-to-use fluid. Gently warm the container to melt the Diesel Exhaust Fluid, if it freezes in its storage container. def fluid diesel exhaust fluid 2. Classified as minimum risk for transportation, ACDelco. Call us today on 0330 123 3773 or fill in our quote form for a competitive AdBlue price or to simply find out more. Diesel Exhaust Fluid (DEF) DEF, or Diesel Exhaust Fluid, is the reduction agent used in Selective Catalyst Reduction (SCR) aftertreatment systems. Simply put, DEF is an additive that goes into diesel vehicles to help reduce air pollution. “Many areas in the world have. It is used in a process called selective catalytic reduction (SCR). 5 ( & 100 amp alternator) not sure. Background Airport personnel are at risk of occupational exposure to jet engine emissions, which similarly to diesel exhaust emissions include volatile organic compounds and particulate matter consisting of an inorganic carbon core with associated polycyclic aromatic hydrocarbons, and metals. How Often Do You Have to Add Diesel Exhaust Fluid? 2. DEF is nasty and toxic. Diesel exhaust fluid is one of the key elements of the Selective Catalytic Reduction (SCR) process used by most medium and heavy-duty engine builders to meet EPA 2010 regulations. During a DPF service regen, the SCR is too hot to. The diesel exhaust fluid is hydrolyzed to ammonia which then inside the SCR unit, assists in the breakdown of NOx to harmless Nitrogen gas and water. 5-gallon jugs, 55-gallon drums, and 330-gallon totes for bigger jobs. Diesel Exhaust Fluid. 3 3. You can use this fluid as fertilizer because it contains nitrogen. All of our DEF meets accepted international standards for purity and composition, including ISO22241, and API® (American Petroleum Institute) certification. Our experience and relationships in the industry have provided us an opportunity to start manufacturing our own branded DEF under the ArmorBlue name. Urea is derived from a byproduct of urine, but for mass production purposes, it is synthetically made. 5% deionized water and 32. 5% deionized water and 32. We aim to show you accurate product information. 4. Identification::: Supplier's details : AiRx™ Diesel Exhaust Fluid Product use :Synthetic/Analytical chemistry. DEF is the primary ingredient used to help convert NOx to harmless nitrogen and water. Search. Nonhazardous. 5% deionized water that is used in Selective Catalytic Reduction(SCR) systems on diesel engines. 5 % solution of high-purity, synthetically manufactured urea in de-mineralized water. 5% de-ionised water. This feature is the ECM’s way to“close the loop” on the NOx Reduction System. OEM Dealerships. $37. 5 percent purified water and 32. 5% solution of technically pure urea in purified water. 8L Engine. More Info. However, incomplete decomposition of urea can lead to unwanted deposits formation, thereby resulting into backpressure increase,. Free Delivery-Shipping to following cities: Cities in Virginia that begin with the letter "A". 5%, is the most common type of DEF used in diesel vehicles. • Never store Diesel Exhaust Fluid (DEF) in old oil or diesel tanks. I-66 Transfer Station. Garage Select or Add New. Prolonged storage above 86 degrees will cause. 0. Monroe, LA 71203 Tel: 866. 5% ultra pure automotive grade urea. View Mobile Number. What is Diesel Exhaust Fluid? DEF is an environmentally friendly substance made primarily of 67. 1. 5 Diesel Kevlar Hard Doors Hummer 4x4 for sale in Swansea, MA. An injection of DEF into the exhaust stream turns the NOx into water. Floating discs will accurately display urea levels ; Tests accurately hot or cold, temperature compensating. Exhaust gas recirculation or EGR is a common process that is used in nearly all modern ICE engines to reduce the amount of unburnt fuel in a vehicle's exhaust gases. At 5%, the light starts flashing, and when levels drop below 2. Keep your truck fleet on time and energy-efficient. The 330-gallon tote has a specialized DE. Diesel Exhaust Fluid (DEF) is a composition of urea and water used in transportation applications to reduce the amount of nitrogen oxides (NOx) emitted into the air by diesel engines. And best for heavy-duty and medium-duty vehicles. 1 Year Limited Warranty. Add to Cart . Mopar PCV Valve for 14-22 Jeep Grand Cherokee WK2 and Wrangler JL with. Shop the full range of AdBlue online with Halfords UK. 5GALPLAT Part #: 2. Urea is a refined compound also found in fertilizers and deionized water is, well, water without. 1 ICWW . Diesel exhaust fluid (DEF) has been on the market since 2014 as one component to creating an engine aftertreatment system that meets U. 2% during the forecast period. Houma, LA. 5 results. More than 90% of DPM is less than 1 µm in diameter (about 1/70 th the diameter of a human hair), and thus is a subset of particulate matter less than 2. Check Vehicle Fit. DEF is a non-hazardous clear fluid (67% deionized water / 33% chemically pure Urea) that is injected into the diesel. OEM Dealerships. More Info. 5% deionized water and 32. 5 gallons of DEF will last approximately 800 miles on the road. Shop Lubriguard Skyblue DEF Diesel Exhaust Fluid - compare prices, see product info & reviews, add to shopping list, or find in store. Issue Date: 22-Dec-2014 Revision Date: 04-June-2018 Version 1 . 5%, the alert light will be displayed to warn you to refill the DEF tank. In the video below, Winnebago Revel owner and long-time RVer, Peter Holcombe shares everything you need to know about. 2 L) Fuel tank (Dual)(Left side) 61 gal (230. The BlueDEF Solution. 5-gallon container with a special nozzle for easy pouring and a. On average, a usage rate of 1-2% of diesel fuel use. 5% urea. The DEF is placed in a holding tank in your vehicle and then the DEF is injected into the Selective Catalytic reduction (SRC catalyst) a chemical reaction takes place that reduces the amount of NOx. Diesel Exhaust Fluid (DEF) is one of the key elements of the Selective Catalytic Reduction (SCR) process used by most medium and heavy-duty engine builders to meet EPA 2010 regulations. Add to list. SUVs like 2021 Safari and Harrier are also offered with DEF. 5% de-ionised water. 3. FAQs – DIESEL EXHAUST FLUID. Diesel Exhaust Fluid retail outlet package available from Yara – a pioneer in the Diesel Exhaust Fluid market. Also see Diesel Exhaust Fluid 0 12. 5 percent) and urea (32. Diesel Exhaust Fluid (DEF) has been required for the 2011 MY and forward diesel vehicles to meet 2010 EPA emission regulations. What is Diesel Exhaust Fluid? Diesel Exhaust Fluid, or DEF, is an emission control agent designed to neutralize harmful emissions and help improve air quality. Brands. The benefits of using (EFEF) include the following: 1. 2 Issue 2: DEF Freezing. 5% purified water and 32.