Gas Type by Car: Regular, Premium, Diesel or E85 / Dodge / Dakota PickupDodge Dakota Pickup Gas type by year YearGas type2011Regular (flex-fuel E85 engine available)2010Regular (flex-fuel E85 engine available)2009Regular (flex-fuel E85 engine available)2008Regular (flex-fuel E85 engine available)2007Regular2006Regular2005Regular2004Regular2003Regular2002Regular2001Regular2000Regular Source: U.S. EPA / DOE fuel economy data (fueleconomy.gov).