SCR Electrical Abbreviation

SCR has various meanings in the Electrical category. Discover the full forms, definitions, and usage contexts of SCR in Electrical.

Selective Catalytic Reduction

This after–treatment technology reduces NOx emissions by using a urea–based additive, sometimes referred to as DEF. The ammonia in the urea mixes with engine exhaust gases in the SCR catalyst, converting NOx to nitrogen and water vapor.

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