What is Diesel Exhaust Fluid (DEF)?
You are probably reading this page because you recently bought a new 2010 truck or are thinking about buying one and want to learn about SCR, and have more than a few questions about Diesel Exhaust Fluid (DEF).
Diesel Exhaust Fluid (DEF) is a harmless and safe-to-handle solution of urea in water - about a third urea to two thirds water - that is required by many new diesel trucks and buses equipped with an exhaust emissions control technology known as selective catalytic reduction (SCR). Some agricultural, construction and forestry equipment will soon need Diesel Exhaust Fluid (DEF) too.
Why do I need it?
The reason that you need to use Diesel Exhaust Fluid (DEF) and SCR lies with the EPA and legislation it enforces known as the Clean Air Act. This document requires the EPA to regulate emissions of NOx and PM
The trucking industry has been split in two by this latest piece of rulemaking and manufacturers are pursuing to technology pathways. Daimler, PACCAR, Volvo, Mack,
Isuzu, Hino and others are using SCR, while Navistar has decided to go it alone and use an extension of its 2007 MaxxForce EGR technology. SCR technology offers drivers many benefits, most importantly great fuel efficiency. On top of this, drivers purchasing an SCR truck will enjoy greater reliability and a longer oil change interval, all of which adds up to impressive savings over the life of the vehicle.
Where can I get it?
The simplest way to buy Diesel Exhaust Fluid (DEF) is to contact one of the many Diesel Exhaust Fluid (DEF) suppliers active in your region, and arrange for delivery of Diesel Exhaust Fluid (DEF) to your truckyard. The Diesel Exhaust Fluid (DEF) can be delivered in a variety of packages or refillable bulk dispensing systems, meaning that you can buy Diesel Exhaust Fluid (DEF) and secure your supply in a way that suits your operating practices, fleet size and average time on the road.
Diesel Exhaust Fluid (DEF) is also available on the highway at many of the nation's truckstops and manufacturer dealers, and discoverDEF is here to help when you need to find the closest location to fill up the Diesel Exhaust Fluid (DEF) tank. discoverDEF will provide you with the location of your nearest Diesel Exhaust Fluid (DEF) supplier, and details of the services each one offers. If you are planning a journey and would like to refill your truck's Diesel Exhaust Fluid (DEF) tank along the way then use our point-to-point locator service which will identify all of the Diesel Exhaust Fluid (DEF) retail locations along your route.