To add the Fuel Type to your Vehicles, create a Vehicle (article) in the Inventory or from the Route Planner, then set up a Custom Attribute for 'Fuel Type' with the weight as its value. This custom attribute will appear beneath the vehicle name on the Route Planner and under the 'Route Details' from the 'My Routes' tab. Its visibility helps your drivers know which Fuel Type to use for the Vehicle on the Route they are assigned. Learn more about Custom Attributes here.
Below is how this appears in the Route Planner for Full Users.
Only Full Users have access to view the Route Planner. Learn more about the different user seat permissions for Dispatch here.
Below is how this appears for a Limited User in My Routes beneath the Route Details.
Below is how this will appear on a mobile device for a Limited User.