State leaders spent the morning in Hall County welcoming the addition of 20 propane-fueled buses to the school system’s bus fleet.The buses, 18 of which are currently transporting students, are the first of their kind not only in Georgia, but also in the Southeast.“I think it is an historic step certainly for our state, and I’m glad that Hall County is leading the way on it,” said Gov. Nathan Deal, who attended the event.The buses should save money on fuel costs along with providing a “greener” way of transportation.Currently, the county is paying around $3.50 per gallon for diesel fuel. Propane is running less than $2 per gallon.“No.