When comparing types of catalytic technology used by diesel engines and spark-ignition engines, which of the following catalyst technologies reduces just NOx (oxides of nitrogen)?

Question

Quizplus · Accepted Answer

Selective catalytic reduction using liquid (SCR-L) is specifically designed to reduce NOx emissions in diesel engines by injecting a reductant, such as urea, into the exhaust stream.

When Comparing Types of Catalytic Technology Used by Diesel Engines