Ultra-Low NOx Comes Standard with ROUSH CleanTech Propane Autogas Engines

LIVONIA, Mich., May 17, 2023 /PRNewswire-PRWeb/ -- 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.