Glynn County studying move to propane fueled vehicles
Ga. school district is first in the state to use autogas buses
DOE-Clean Cities brings new alternative-fuel vehicles to Mammoth Cave NP
Analysis: Propane autogas makes "the most sense" among alt-fuels
May 4, 2012 - N.C. county is reaping benefits of using propane autogas
Propane Autogas: Advantages Beyond Financial Incentives
27 propane-fueled buses help school district save $136,000
Natural Gas Can Put Americans Back to Work