Ultra-Low Nox Comes Standard With ROUSH CleanTech Propane Autogas Engines
ROUSH CleanTech has received California Air Resources Board certification for 2023 model year propane engines at 0.02 grams per brake horsepower-hour. Previously available as an added-cost option, the ultra-low nitrogen oxide (NOx) emissions package is now standard on every propane engine sold by ROUSH CleanTech.
