Research Supporting the Phase 2 Proposal

NAS Study

• Reducing the Fuel Consumption and Greenhouse Gas Emissions of Medium and Heavy-Duty Vehicles, Phase Two First Report

NHTSA Studies

• Review and Analysis of Potential Safety Impacts and Regulatory Barriers to Fuel Efficiency Technologies and Alternative Fuels in Medium- and Heavy-Duty Vehicles
  • Peer Review Report
• Commercial Medium- and Heavy-Duty (MD/HD) Truck Fuel Efficiency Technology Study – Report #1 (Revised)
  • Peer Review Report
• Commercial Medium- and Heavy-Duty (MD/HD) Truck Fuel Efficiency Technology Study – Report #2
  • Peer Review Report
  • Peer Review Comment Resolution Report (Technology Study Reports #1 & #2)
• Commercial Medium- and Heavy-Duty (MD/HD) Truck Fuel Efficiency Technology Cost Study
  • Peer Review Report
  • Peer Review Comment Resolution Report
• Effects of Tire Rolling Resistance Levels on Class-8 Tractor Trailer Stopping Distance Performance

Engine Maps

Southwest Research Institute (SwRI) engine maps or delta maps used in research supporting Notice of Proposed Rulemaking (NPRM)

• Memo on Southwest Research Institute (SwRI) engine maps or delta maps used in research supporting Notice of Proposed Rulemaking (NPRM)
• Ford 3.5-liter V-6
• Ford 6.2-liter V-8
• Cummins 6.7 Liter 300 HP (base) & 4.5 Liter 256 HP (variant)
• Cummins 6.7 Liter 385 HP (base) & 4.5 Liter 256 HP (variant)
• Detroit 14.8-liter DD15 (base) and 12.3-liter variant