07/16/03 mrb McGeehan G EPA 1 G EarthBkgrd Engine Oils for Ultra Low Emission Diesel Engines Jim McGeehan, Manager of Global Heavy-Duty Diesel Engine Oil Technology

07/16/03 mrb McGeehan G EPA 2 Oil Quality Driven by Clean Exhaust NO x (g/hp-Hr) Year: API: ‘88 ‘90 ‘95 ‘99 ‘02 ‘07 CE CF-4 CG-4 CH-4 CI-4 PC EGR + DPF NO x Adsorber DeNO x Catalyst Retarded Timing EGR

07/16/03 mrb McGeehan G EPA 3 Increasing Oil Quality CD CE CF-4 CG-4 CH-4 CI-4 API: Number of Tests to Qualify Products

07/16/03 mrb McGeehan G EPA 4 “Just-in-Time” Delivery Maximize Engine Reliability and Durability API CH-4/CI-4 Engine Oils

07/16/03 mrb McGeehan G EPA Emission “Phase-In” *PC = Proposed Category NO x, g/BHP-Hr Particulate, g/BHP-Hr PC-10* OEM’s Finalize After-Treatment Systems End 2003 PC-11* 2003

07/16/03 mrb McGeehan G EPA 6 Reducing Diesel Fuel Sulfur ,000 ppm 500 ppm 15 ppm – 80% % 500 ppm 15 ppm

07/16/03 mrb McGeehan G EPA 7 Ash Plugging With Particulate Filters Detergent and Inhibitor Base Oil VI Improver Engine Exhaust Ash Filter Plugging Particulate Filter

07/16/03 mrb McGeehan G EPA 8 After-Treatment Life? NO x Adsorber Lower High DeNO x Catalyst Lower High SCR No Change Ash Limit Lower High Phosphorus Sulfur Particulate Filter (DPF) Heavy EGR Cat ACERT Heated UREA

07/16/03 mrb McGeehan G EPA 9 Chemical Limits for 2007 Lubricants Sulfur % NO x Adsorber Ash % Particulate Traps Phosphorus NO x Catalysts Volatility – Oil Consumption Ash Limit Major Driver for Particulate Filters

07/16/03 mrb McGeehan G EPA 10 Paradigm Shift in Engine Oil Technology Ash Volatility Phosphorus Sulfur PC-10 API CI-4 Extended Oil Drains 2007 Reduces Oil Drains 2002

07/16/03 mrb McGeehan G EPA 11 Engine Durability Tests for PC-10 Caterpillar C-13 Oil Consumption Blow-By and Piston Deposits Caterpillar C-13 Oil Consumption Blow-By and Piston Deposits Cummins ISB Slider Valve Train Wear and After- Treatment Cummins ISB Slider Valve Train Wear and After- Treatment Mack T-12 (Volvo D-12) Power Cylinder Wear and Oxidation Mack T-12 (Volvo D-12) Power Cylinder Wear and Oxidation 15 ppm Fuel Sulfur Cummins ISM Power Cylinder, Valve Train Wear, Filter Life and Sludge Control Cummins ISM Power Cylinder, Valve Train Wear, Filter Life and Sludge Control 500 ppm Fuel Sulfur

07/16/03 mrb McGeehan G EPA 12 PC-10 Challenge: Balancing Service Life Engine Durability After-Treatment Life

07/16/03 mrb McGeehan G EPA 13 PC-10 Will Be Delivered On Time for 2007 Cleaner Diesel Engines Jim McGeehan Chairman of ASTM Heavy-Duty Engine Oil Classification Panel, Implementing PC-10 for 2007