Many diesel engines use what's known as a 'Selective Catalytic Reduction' system to reduce harmful nitrogen oxide emissions. This type of system, used to help the engine meet increasingly strict ...

Urea tanks will be standard equipment for most new diesel trucks, buses, cars, and sport utility vehicles (SUVs) manufactured in the United States after Jan. 1, 2010. An automotive grade of urea will ...

Volkswagen, the German carmaker has developed a new Selective Catalytic Reduction (SCR) system with ‘twin-dosing’. It selectively injects Adblue upstream of two SCR catalytic converters which are ...

Fleet operators and their drivers are being stung by the frequency and cost of AdBlue top-ups, with some diesel vehicles needing a top-up every 3,000-4,000 miles. That’s effectively every six tanks of ...