SCR: How It Works

With SCR or Selective Catalytic Reduction, the nitrogen oxide (NOx) reduction process takes place after combustion – so as to not diminish engine performance. The process is simple: diesel exhaust fluid (DEF) is sprayed into the hot exhaust gases. The fluid consists of urea and deionized water. This mixture passes through a catalytic chamber. When

Why Tata Motors is offering both EGR and SCR in BS IV trucks and buses?

Tata Motors, the country’s largest truck and bus manufacturer, announced readiness of SCR (Selective Catalytic Reduction) and EGR (Exhaust Gas Recirculation) technologies for BSIV compliant engines, powering its range of Commercial Vehicles. Exhaust Gas Recirculation (EGR) technology adopted by Tata Motors in 2010 will continue to power small-to-medium category of commercial vehicles with engine power