Cummins Westport B6.7N Natural Gas Engine Receives Near Zero Emissions Certifications; Full Natural Gas Engine Portfolio Now Certified Near Zero
SOURCE...This is pretty much the same engine as in my Dodge, just running on NG instead of diesel...
The B6.7N natural gas engine is available with ratings from 200 to 240 hp and up to 560 lb-ft. of peak torque. The B6.7N is designed for truck, school bus, and shuttle bus. Like Cummins Westport’s L9N and ISX12N engines, the B6.7N features on-board diagnostics, an enhanced, maintenance-free three-way catalyst, a closed crankcase ventilation system, and an engine control module recently redesigned for improved durability.
...Ben