Diesel Engine Fuel Economy Improvement Challenges and ...

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Truck Hybridisation – The Benefits % FE Impro vement over baseline 70% 60% 50% 40% 30% 20% 10% 0% Certified FE Improvements Current Systems 35% 65% 61% Bus (PHEV) [No Idle Stop] 24% 24% 32% MD Box Truck [No Idle Stop] 8% 27% MD Utility Truck [No Idle Stop] UDDS (MPG) Orange County (MPG) Manhattan (MPG) • Fuel Economy benefit highly dependent upon drive cycle • Hybrid Trucks are most efficient in city driving • Greatest benefit from working trucks is idle engine off operation Gallo ons fuel 4500 4000 3500 3000 2500 2000 1500 1000 500 0 Work Truck Fuel Consumption Stationary Operation On Highway Bucket Truck Hybrid Bucket Truck 10 80% reduction Stationary Operation 20% reduction On Highway
Truck Hybridisation – The Challenges • Incremental system costs over non Hybrid are extremely high • Must increase scale through lowering costs and improving functionality – Drive technology towards modular and scaleable designs across Passenger Car and Commercial Truck • EPA needs to address the vehicle certification for MD & HD – Fully demonstrate FE and emission benefit 11
Page 1 and 2: Diesel Engine Fuel Economy Improvem
Page 3 and 4: Navistar’s Engine Product Range
Page 5 and 6: What Is Coming to Truck Industry
Page 7 and 8: FTP HD Emission Cycle vs. Driving M
Page 9: Overall Vehicle Fuel Efficiency Opp
Page 13: Summary Exciting time for engineer

Diesel Engine Fuel Economy Improvement Challenges and ...

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