The U.S. Energy Policy Act defines alternate fuels as: Clean Diesel, Liquefied Petroleum Gas (LPG), Compressed Natural Gas (CNG), Liquefied Natural Gas (LNG), Biodiesel (B20), Electricity and Hydrogen. This page provides links and information on the three alternative fuels for school buses: Compressed Natural Gas, Clean Diesel a.k.a. Low Sulfur Diesel (also known as Ultra-Low Sulfur Diesel or ULSD), and the recent additions of Biodiesel, Hybrid-Electric drivetrains and Propane.
Compressed Natural Gas
Clean Diesel (a.k.a. Ultra-low Sulfur Diesel or ULSD)
- What People are saying about Clean Diesel
- Clean Diesel vs. CNG
- Decade of Clean Fuels
- Key Points on Ultra-low Sulfur Fuel