Carb certifies next-generation propane engine in blue bird school buses to lowest nox in market

Livonia, mich.--(business wire)--roush cleantech is the first original equipment manufacturer to receive california air resources board's 0.02 grams per brake horsepower-hour certification for 2022 model year vehicles. the optional ultra-low carb certification is 90% cleaner than current emissions standards for nitrogen oxides. the new engine certification covers roush cleantech gen 5 propane engines for blue bird school buses. propane is well established as an economical, clean and domesticall
BLBD Ratings Summary
BLBD Quant Ranking