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IC Bus adds purpose-built propane school bus offering; PSI 8.8-liter propane engine and Allison transmission

Green Car Congress

liter LP propane engine for the 2015 school year. The CE Series school bus powered by propane also integrates the Allison 2500 transmission with FuelSense to maximize fuel economy. bus assembly plant in Tulsa, Okla. Deliveries will begin in summer 2015 and buses will go into service for the start of the 2015/2016 school year.