Cummins introduces the new B6.7N natural gas engine for the school bus, shuttle, and medium-duty truck markets.  Rated up to 240 hp / 560 lb-ft torque, the B6.7N offers a reliable, low-emissions, and low cost option for your fleet.  The B6.7N is certified to California Air Resources Board Optional Low NOx standard of 0.02 g/bhp-hr – 90% lower
NOx emissions than current EPA regulations.

• 100% natural gas engine, featuring spark-ignited stoichiometric combustion with cooled EGR and a maintenance-free Three-Way Catalyst
• Closed Crankcase Ventilation (CCV) system and On-Board Diagnostics for optimal emissions performance
• Certified to California Air Resources Board Optional Low NOx 0.02 g/bhp-hr – 90% lower
  current EPA standard); exceeds 2017 EPA GHG requirements
• Cost-efficient and reliable performance