AdBlue® 660 liters - (66 x 10) liters - BenEnergie urea solution for diesel engines - ISO 22241 incl. spout - 0,45€/liter* Features: AdBlue 660 liter SCR urea solution diesel ISO 22241 with diesel engine spout AdBlue was used in SCR systems in the automotive industry in connection with the new EU regulations on emission standards for diesel engines. From October 1, 2006, passenger cars with a tonnage of more than 3.5 tons will be subject to the EURO 4 emission reduction standard and from October 1, 2009 to the Euro 5 standard. In accordance with the EURO 5 standard, emissions of harmful nitrogen oxides were reduced by 60% and particulate matter (PM) emissions by at least 80%.