DEF Fluid; Why It's Needed - Hank Graff Chevrolet

DAVISON, Mich. - Sept. 19, 2013 - PRLog -- DEF Fluid is now mandatory in all Diesel vehicles. What it does, is turns the CO2 (corbon dioxide) created from the burning of Diesel Fuel, into nitrogen and water vapor. It's actually a pretty cool process, but it is a little more tricky than it just mixing with the CO2.

The process works something like this: Diesel exhaust fluid (from a separate DEF tank) is injected into the exhaust pipeline, the aqueous urea vaporizes and decomposes to form ammonia and carbon dioxide. Within the SCR catalyst, the NOx are catalytically reduced by the ammonia (NH3) into water (H2O) and nitrogen (N2), which are both harmless; and these are then released through the exhaust.

Having DEF Fluid in all Diesel engines is now national law -- which it should be. It helps keep the environment clean, and god knows we need to do our part in protecting our environment. In the 2014 Chevrolet Cruze Diesel, you'll recieve a warning when you have 1,000 miles left to drive before the DEF Fluid runs out. When you finally run out of fluid it gives you 350 miles until it limits maximum speed to 65 mph, once that limit is reached, it does another countdown to a maximum speed of 55 mph, then if you still haven't gotten the point that you need to put in some DEF Fluid, it will only allow the vehicle to travel 4 mph.

It really is a beautiful thing when we're able to create a vehicle with more power, gets better fuel economy, and is far cleaner than the typical automobile on the market. Human engineering at it's best!

Hank Graff Chevrolet

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