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SAE 2009: FEV unveils solid-SCR NOx reducer for diesels

Powertrain engineering specialists FEV are showing off a number of new technologies at the SAE World Congress this week including this new NOx reduction system for diesel engines. The basic principle of the Solid SCR is the same as the urea injection systems found on most of the new 50-state legal diesel vehicles coming to market. Ammonia is reacted with the NOx in the exhaust gases to convert it to nitrogen and water. Where it differs is the source of the ammonia. Instead of an aqueaous urea solution that is injected into the exhaust stream, ... Read more →

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