Product Types are required to be selected when adding a vehicle or tank. Product Types are the group the specific product is in. For example Ultra Low Sulfur Diesel would be a product type: Diesel. 

Restrictions: FuelCloud allows users to make a number of restrictions to their account. Vehicles can be restricted by product type and tank capacity. Driver and Vehicle restrictions are all managed under access. Drivers and vehicles can also be set up with individual usage restrictions.