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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What’s the BIG DEAL? Pure Gas vs Ethanol Blended Fuel? Understanding what the damage ethanol can do to your engines, especially your small engine equipment, is important. Watch the video below. Ethanol is hygroscopic, which means that Ethanol likes water. During periods of extended storage, Ethanol tends to draw in atmospheric moisture which can lead…

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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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