The variable flow turbocharger improves boost across a wider range of engine speeds than a wastegate turbocharger does, while avoiding the complexity of dual turbochargers. The combination of cleaner EGR combustion and a more responsive turbocharger enables fuel efficiency to improve by up to 5 percent for Stage IIIB/Tier 4 Interim, depending on duty cycle.

About Cummins
Cummins Inc., a global power leader, is a corporation of complementary business units that design, manufacture, distribute and service engines and related technologies, including fuel systems, controls, air handling, filtration, emission solutions and electrical power generation systems. Headquartered in Columbus, Indiana, (USA) Cummins employs approximately 40,000 people worldwide and serves customers in approximately 190 countries and territories through a network of more than 600 company-owned and independent distributor locations and approximately 6,000 dealer locations. Cummins earned $1.0 billion on sales of $13.2 billion in 2010. Press releases can be found on the Web at http://www.cummins.com/ or www.cumminsengines.com. Follow Cummins on Twitter at http://twitter.com/cumminsengines and YouTube at http://youtube.com/cumminsengines.