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Diesel


Benefits & Recommendations

For diesel-fueled vehicles, you’ll be glad to know we are as dedicated to the quality of our diesel as we are to our gasolines. That’s why we develop diesel fuels for engines that:

  •  Provide energy for power
  •  Provide good fuel economy
  •  Allow easy start-up
  •  Flow readily in cold temperatures
  •  Protect the fuel delivery system
  •  Provide low emissions

You’ll find one of our diesel fuels at many service stations across the United States, and you can be confident that they will perform to meet your needs – as well as your expectations.

Ultra Low Sulfur Diesel Fuel No. 1
Our Ultra Low Sulfur Diesel Fuel No. 1 is usually used as a blending component to winterize the No. 2-D grade. This is the fuel you should use if you live in an area with abnormally low temperature conditions. Compared to the No. 2-D grade, our Ultra Low Sulfur Diesel No. 1 has a lower viscosity, and generally provides higher cetane number and better low-temperature operability for your vehicle. The sulfur content of ULSD No. 1 is 15 parts per million (ppm) maximum.

Low Sulfur Diesel Fuel No. 1
Low Sulfur Diesel Fuel No. 1 is similar to the Ultra Low Sulfur Diesel No. 1 except that its sulfur content is higher than 15 ppm. This diesel fuel must not be used in 2007 model year and newer vehicles/engines. Ultra Low Diesel Fuel No. 1 must be used in those vehicles/engines.

Ultra Low Sulfur Diesel Fuel No. 2
Our Ultra Low Sulfur Diesel Fuel No. 2 was formulated to be used by any diesel-fueled vehicle on the road today – including yours. Compared to the No. 1-D grade, our Low Sulfur Diesel No. 2 provides higher fuel economy, power, flash point, viscosity and lubricity for your vehicle. ULSD No. 2 must be used in 2007 model year and newer vehicles/engines to protect the performance of the emission controls.

Low Sulfur Diesel Fuel No. 2
Low Sulfur Diesel Fuel No. 2 is similar to the Ultra Low Sulfur Diesel No. 2 except that its sulfur content is higher than 15 ppm. This diesel fuel must not be used in 2007 model year and newer vehicles/engines. Ultra Low Diesel Fuel No. 2 must be used in those vehicles/engines. 

For You, Your Vehicle And The World Around You
In order for your vehicle’s diesel engine to start easily, the fuel must have a sufficiently high cetane number. All of our diesel fuels meet the minimum cetane number requirement of 40 to ensure easy start-up for your vehicle. Values above this level haven’t proven to significantly improve your engine’s performance.

And, all of our ULSD and LSD fuels contain lubricity additives to improve protection against wear.
 
Our commitment to providing you with quality diesel fuel doesn't stop at the refinery. We check the fuel at key points as it is transported through the distribution system to your vehicle. Should you ever have a problem with your vehicle that is related to the fuel quality, we invite you to call our Customer Assistance Center at 1-800-662-4592. Even if you just want to ask a question or share a comment about our products or services, feel free to give us a call.

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