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100% Guarantee


The Guaranteed Efficiency Program is designed to allow fleets to try qualifying CITGO commercial engine oils - and supplemental efficiency products - to demonstrate cost savings at no risk. We are so confident that we can improve the efficiency of your fleet, we’ll give you a drum of it for free to put us to the test. The bottom line is, by switching to CITGO-recommended commercial products during a test period, fleets can save through:

  • Fuel Economy/Miles Per Gallon Optimization - guarantees up to 3 percent fuel economy savings.

The program combines fuel efficient engine oils, real-time CITGO truck monitoring system data and personalized sales and technical support to deliver on a promise of 1.5% fuel savings, 100% risk free. Click here to get in touch with a CITGO Senior Account Manager.