What goes in must come out
There are four main exhaust ingredients that have negative effects on health and the environment: nitrogen oxides, particulates, hydrocarbons and carbon monoxide. For us at Volvo Trucks, the main focus is on cutting down nitrogen oxides and particulates. The past 20 years, we have managed to cut emissions of these substances from new trucks by 75 and 85 percent respectively. But we’re not done yet.
The emissions standards for trucks define the acceptable limit for exhaust emissions of new vehicles sold in the EU member states. The current standard, Euro 6, came into force on 1 January 2014, and demands drastically reduced emissions of nitrogen oxides (NOX) and particulates (PM).
SCR and AdBlue make for a future-proof truck
Volvo has chosen SCR (Selective Catalytic Reduction) technology to meet the Euro 5 standard as well as Euro 6. The technique uses an additive called AdBlue that is injected into the exhaust gases before they pass through the SCR catalytic converter, where the oxides of nitrogen is turned into harmless nitrogen gas and water vapour. The infrastructure for AdBlue is steadily expanding.
Learn more about AdBlue availability here.