 Eligible medium-duty AFVs with a gross vehicle weight rating (GVWR) between qualify for a credit of up to , while heavy-duty AFVs with a GVWR over qualify for a credit of up to .The credit is capped at per taxpayer.Qualified AFVs must be purchased before June 30, 2017, remain registered in Georgia for at least five years, and accumulate at least 75% of their annual mileage in Georgia.