* Gasoline: This was the most common fuel type. The specific gasoline grade recommended likely varied depending on the engine (see owner's manual).
* Flex-Fuel (E85): Some 2014 Ram 1500 models were equipped with engines capable of running on E85 fuel (a blend of 85% ethanol and 15% gasoline). This wasn't available for all trims or engine options.
To know the *specific* fuel type for a particular 2014 Ram 1500, you'd need to check the vehicle's specifications (often found on a sticker inside the driver's side doorjamb) or consult the owner's manual.