The U.S. EPA and California Air Resources Board recently signed off on the Blue Bird Vision Propane school bus that is powered by a ROUSH CleanTech propane autogas fuel injection system and Ford 6.8L engine. They emit only 0.02 grams per brake horsepower hour, the lowest levels of oxides of nitrogen (NOx) available from any Class 4 through 7 propane vehicle.
No doubt that some vehicles and niche applications will find electrification a good fit, but for the bulk of the diesel sectors of the economy, nothing comes close.
Low rolling resistant tires, or LRRTs, were first developed for the over-the-road trucking industry in response to increased federal scrutiny over corporate average fuel economy for commercial vehicles. So why aren’t more school buses using them?
A much-anticipated day for school bus manufacturer Thomas Built Buses has arrived, as the High Point, North Carolina company announced that orders are now being accepted for the new Detroit DD5 and DD8 engines.
Public motorists east of Los Angeles can now fuel their CNG vehicles at a new Rialto Unified School District school bus facilit. They are also experiencing even better air quality, thanks to the district’s new all-electric buses.