- FFVs: They may require special lubricants; check the owner's manual to make sure the correct engine oil is used. Here's the lowdown on what you need to know about flex-fuel maintenance.
- Hybrids: No special maintenance is required--maintenance might actually be reduced due to decreased wear and tear on the engine and brakes. Learn more about hybrid maintenance and find answers to hybrid FAQs.
- Propane & Natural Gas: The tanks that store the fuel require periodic inspection and certification. One plus: Some systems allow for extended maintenance schedules--check with the manufacturer. Get the full story on maintaining propane and natural gas vehicles.
- Diesels & Biodiesels: No unusual maintenance here. However, biodiesel has a cleansing/detergent effect, and if you're using it for the first time on an older or higher mileage vehicle, a few extra initial fuel filter changes may be required due to the cleansing of sludge from the fuel system. Visit our diesel and biodiesel maintenance corner or learn more about biodiesel's cold weather considerations.
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The Alternative Fuel Bible: Find Answers to Your Fuel & Vehicle Questions
