The purpose of this report is to provide updated cost/benefit analysis information for light-duty diesel cars and trucks during the 2016 Technical Assessment Report process.

Key findings include:

  • Martec concludes that 4 and 6 cylinder diesel engines now have a lower total variable cost than 2007 EPA estimates due to Platinum Group Metals (PGM) cost reductions and technology improvements
  • Cost for light duty diesel compliance with Tier III will be insignificant by 2025
  • Martec’s determined costs are ~40 percent below the 2015 NRC Report 2025 values for a diesel engine
  • Diesel powertrain costs provide customers with significant cost/benefit for MPG gains and have a much smaller 2025 compliance gap than gasoline engines

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