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Page 12 of 23 Question: I own a 2001 VW Jetta TDI and have been using biodiesel fuel. Someone told me that using biodiesel will void the warranty and may damage the engine. I was told the fuel tank needs to be drained and flushed to clean out all the biodiesel and refilled with regular diesel, is this true?
Answer: Not only will biodiesel not void the warranty or damage the engine, biodiesel is actually a better fuel for your diesel than regular diesel. Biodiesel has higher lubricity than regular diesel, meaning biodiesel will lubricate the fuel injection pump & injectors better than regular diesel. Biodiesel also has a cleaning effect on the fuel system, keeping the fuel system cleaner than regular diesel. Biodiesel is friendlier on our environment by producing substantially fewer emissions than regular diesel. Biodiesel is a domestically produced renewable product that will help reduce our reliance on foreign oil. For more information on biodiesel go to www.biodiesel.org
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