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Reducing NOx emissions by

96% vs clean diesel buses

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clean performance helps students

As a school transportation professional, you’re in a position to impact students not only on the bus, but in the classroom. According to a study from Georgia State University, schools that use cleaner buses, like propane autogas, earned higher English test scores, demonstrating that cleaner air may have an impact in the classroom.

In the long term, propane autogas is also safer for students’ health. Diesel bus exhaust is proven to contain carcinogens and particulate matter that irritates respiratory conditions like asthma. In a recent study from West Virginia University, propane autogas buses reduced 96 percent more NOx emissions than modern clean diesel buses.

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93% more cost-effective

than clean diesel buses

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the most cost-effective clean fuel

Only propane autogas can give you the cleanest performance for the lowest total cost-of-ownership. Compared with diesel and even electric, it reduces the most emissions for the least amount of money, making it a smart investment financially and for the health of students.

Modern diesel buses contain complex emissions systems and other technology that only costs more over time. And while electric buses may operate cleaner, their high purchase price makes them less cost-effective. Propane autogas is clean and affordable — the best of both worlds.


Calculate your NOx Reductions

Now you can calculate how much NOx your fleet could reduce by switching to propane autogas. The most accurate tool to use is the AFLEET HDV Emissions Calculator. Compared with the EPA’s Diesel Emissions Quantifier tool, the AFLEET calculator:

  • Provides more detail and user definitions.
  • Integrates state-specific alternative fuel engine data, idle rates, and emissions factors (instead of using national levels).
  • Accounts for in-use NOx emissions.

TRY THE CALCULATOR

Where to Learn More

Take the next step in learning how propane autogas can help your district.