Filed under: Green,Volvo,Emissions,Truck,Commercial Vehicles Catalytic converter problem on trucks and buses. Continue reading Volvo warns some of its engines may exceed emission limits Volvo warns some of its engines may exceed emission limits originally appeared on Autoblog on Tue, 16 Oct 2018 10:55:00 EDT. Please see our terms for use of feeds. Permalink | Email this | Comments Continue reading...