Volkswagen explains how its clean diesel engine worksFebruary 2, 2020
Volkswagen has a new TDI engine, which the company claims is cleaner than ever. Thanks to its innovative catalytic converter and ammonia injection system, VW offers its cleanest diesel engine.
After the VW emissions scandal was called a dieselgate, many suggested that VW abandoned the diesel engine altogether. Although Volkswagen has invested most of its financial power in the development of electric vehicles. VW plans to build cars with gasoline and diesel engines along with their electrified offers for years to come.
Volkswagen recently unveiled the all-new EA 288 EVO diesel engine to showcase its new Twin-Dosing technology. The EA 288 EVO uses a sophisticated system with two catalytic converters, each with its own ammonia injection system. Ammonia is needed to reduce nitric oxide emissions, which were the main cause of the dieselgate scandal.
According to VW, the new Twin-Dosing system reduces NOx emissions by more than 80%, resulting in a much cleaner unit. VW discloses this system in its press release: “The measuring module injects the substance into the exhaust gas in front of the corresponding SCR catalytic converter, like AdBlue. Here the solution evaporates, and the reducing agent breaks down, combining with steam to form ammonia. In the catalytic converter, ammonia then reacts with nitrogen oxides on a special coating to form water and harmless nitrogen. “
VW believes that the new EA 288 EVO will give customers all the benefits that made past TDI engines so great without emissions, ” – explains Markus Köhne, Head of Volkswagen Diesel Engine Development.
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