There is More to School Bus Emissions than NOx

There is much debate about the cleanliness of school buses today, particularly surrounding diesel and propane engines. Both are touted as clean burning and emissions data being thrown around in the industry can make you dizzy and, quite frankly, confused. The truth is that, based on EPA-regulated emissions, clean-diesel school buses today are comparable to or cleaner than other fuel types like propane, CNG and gasoline.

New Cummins Westport Natgas Engines Meet Low NOx

 

The model-year 2018 Cummins Westport B6.7N natural gas engine for school bus applications meet the lowest optional standards for oxides of nitrogen (NOx) emission, the company announced.

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Think You Know Diesel? Think Again

New federal emissions standards ratings released this year for school bus engines reveal that all fuels, including diesel, are now much cleaner with emissions falling well below EPA emissions standards.