 Leaf sales are favored by Georgia's law, which caps sales of electric vehicles sold direct by a manufacturer to 150, setting a restrictive limit to Tesla Model S sales, and the law excluded plug-in hybrids for eligibility to the state's tax credit.The State of Georgia considers alternative fuel vehicles (AFVs) those that run solely on alternative fuel and do not run on regular gasoline.AFVs includes vehicles that operate using battery electricity, propane, natural gas, and hydrogen fuel cell.