What's New
- Royal Petroleum has Biodiesel! Biodiesel’s added lubricity and detergency can help your vehicles and equipment run more efficiently and with reduced emissions. Click here to find out more!
- PetroTech will meet all your service and maintenance needs! With regulations for maintaining your tanks and equipment continually changing, PetroTech can help you manage and maintain your fuel storage whether it is above ground or underground!
- Take advantage of our complimentary lubricants testing! Royal Petroleum offers a series of complimentary lubricants testing through Herguth Laboratories in Vallejo, CA. Click here to find out more!
Construction
Royal Petroleum’s commitment to service allows construction companies to be able to rely on having the fuel and lubricants they need to keep their equipment going and the job completed on time. Complimentary lubricants testing through Herguth Laboratories will allow fleet managers to have the information to discover engine problems before the job’s progress is compromised.
Agriculture
Royal Petroleum delivers fuel to farms, dairies, and wineries in Sonoma, Marin, and Napa counties. The office staff and drivers feel a deep sense of accountability to all of our customers, regardless of size, and we believe your success depends on our ability to deliver your fuel and lubricants when and where you need it.
Commerce
Royal Petroleum offers the account and fleet management tools to make your fleet managers’ lives easier! Royal Petroleum’s conveniently located cardlocks and fuel card controls will help to untangle managing your fueling program. Check out “Fuel Cards and Cardlocks” and “For Account Managers” for more information on what Royal Petroleum can do for you!

