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John Deere approves biodiesel fuel blends for its products

18 December 2001

John Deere has approved the use of soy-based biodiesel in its diesel engines. Blends of biodiesel can be used in all of its new diesel-powered products, as well as in older model tractors and engines.

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The maximum content of biodiesel in the blended fuels was not explicitly specified. After thorough testing and analysis, John Deere has developed the following guidelines to help ensure optimum use of biodiesel:

Following these guidelines will ensure normal warranty coverage on products fueled by biodiesel blends, said John Deere. For more information contact Barry E. Nelson, 913.310.8324, NelsonBarryE@JohnDeere.com.

Engine manufacturers have been traditionally vague about the impact of biodiesel on engines and their warranty policies in that respect. Biodiesel can be incompatible with certain materials used in engines and, in particular, in fuel injection systems. According to a common position developed by fuel injection manufacturers, blends of up to 5% biodiesel in petrodiesel can be used in existing engines without causing any problems. The common position also said that injection systems can be designed to operate on neat (100%) biodiesel.

Source: John Deere

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