Here’s an easy way to help improve fuel economy and protect your automobile investment: Know exactly what type of motor oil your car uses. When the manufacturer made your car, they did tests to see what types of motor oil deliver the best performance. Using a motor oil that has not been tested on your car could lead to friction and poorer fuel economy, and it can also cause damage to the interior components of your car. Check the owner’s manual and stick to what your automaker recommends.
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