Fuel Testing Services

FOI Laboratories is an industry-leading fuel testing services, analysis and research laboratory. Our team has a broad range of expertise, inside industry knowledge, and years of helping companies with their fuel testing needs. With over 45 years of combined experience and various degrees, Fuel Only is committed to providing the utmost in service and quality fuel testing.

Fuel Testing

Our mission is to provide world-renowned fuel tests with an unwavering determination to give our clients consistently accurate results.

BioDiesel Conversion

Our on-site analytical survey examines all points of concern for engines, tanks and all factors for conversion. Renewable fuels are favorable.


We are always researching ways to identify fuel issues earlier in the fuel’s life cycle for test results that are quick and accurate.

Our Commitment

From degreed chemists to knowledgeable staff, we are always on hand to assist any of our customers with any questions or needs. We pride ourselves in equipping our staff with the most up-to-date knowledge of the biofuels industry to give our customers the highest level of service. Here at Fuel Only, we adhere to the concept of doing one thing and doing it better than anyone else; to provide accurate results with prompt turn-around time and service with integrity.

Step 1

Send in your sample for fuel test results


Step 2

We test and inspect your fuel sample


Step 3

We deliver the accurate results to you