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Chapter 4: fuel-efficient driving

Chapter 4: fuel-efficient driving

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1. Which of the following is most likely to improve fuel economy?

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2. Which of the following can increase fuel consumption of a vehicle?

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3. Which are fuel-efficient tires?

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4. Which of the following maintenance practices helps improve fuel efficiency?

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5. In warm or summer weather, how long should you let a diesel engine warm up before driving?

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