As students head back to school this fall, a growing number will be transported on school buses that are powered by alternative fuels including propane autogas. School bus manufacturer Blue Bird Corp. (Macon, Ga.) reports that the use of alternative fuels has tripled in the last five years. According to Blue Bird, 12% of the buses in operation in the United States and Canada used alternative fuels in 2017, up from 4% in 2012. For full article: