The engines can generate “near zero” levels of NOx, emitting just 0.02 g/bhp-hr ‒ 90% less than the Environmental Protection Agency (EPA) NOx limit of 0.2 g/bhp-hr. Other features of the engine include onboard diagnostics, a maintenance-free three-way catalyst, and closed crankcase ventilation system.
The engines come rated at 320 hp and 1,000 lb-ft of torque. They can be fueled with compressed natural gas (CNG), liquefied natural gas (LNG), or renewable natural gas (RNG).
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