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Euro 5 - The Story So Far
The introduction of Euro 4 emissions legislation in Europe in 2006 drove the commercial vehicle industry into a technology battle. Competing NOx
reduction solutions of Exhaust Gas Recirculation (EGR) and Selective Catalytic Reduction (SCR) led to much discussion and debate to who had the most appropriate solution. Vehicle manufacturers chose one or the other solution with the expectation that it would work for Euro 4 and Euro 5 three years later.
Cummins has a pedigree of adopting the right technology for each market in which it operates, as it will for Euro 6. By 2006, Cummins already had substantial experience of engines fitted with cooled EGR, which had been introduced in North America in 2002. A Cummins Particulate filter was added to cooled EGR as the right technology for U.S. EPA 2007 regulations due to the specific test cycles and operational factors in the market. The different duty cycles and load factors of commercial vehicle operation in Europe...