What is Diesel Exhaust Fluid? Diesel Exhaust Fluid (DEF) is an emissions control liquid required by modern diesel engines. It is injected into the exhaust stream. DEF is never added to diesel fuel. It is a non-hazardous solution of 32.5% urea in 67.5% de-ionized water. DEF is clear and colorless, and looks exactly like water.…

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ON-SITE DELIVERY & FUELING SERVICES! Our on-site commercial fuel delivery services make things more convenient for you. There are so many benefits that include saving your fleet time, money and unnecessary expense. Plus the additional information we provide that help track of important details pertaining to your trucking fleets. Look at the information below and…

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The mission of Geo. H. Green Oil, Inc. is to satisfy the fuel needs of our customers. Our policy is to meet our customer’s expectations with prompt fuel delivery and fair pricing in every circumstance. We believe that consistent, ethical and quality performance with our customers, employees and community will result in loyal, long-term relationships.…

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