Propane Buses: Safely Bringing Students to School
Butane-Propane News
The ROUSH CleanTech 6.8-liter V-10, 3-V engine, equipped in Blue Bird Vision Propane buses, has the lowest NOx levels of any propane autogas engine in Class 4-7 vehicles. The engine is certified below the optional low NOx standard of 0.05 g/bhp-hr set by CARB. In terms of NOx emitted, for every one bus at the 0.2 NOx standard, there can be four buses on the road at the .05 level.
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