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How Direct Injection Engines Work

You may think your dreams of fuel economy can be fulfilled only by a car with a diesel engine, but direct injection engines offer another option for high efficiency and performance. How do they differ from standard gas engines?

What is thermal breakdown?

Heat is your engine's worst enemy. In fact, internal heat can cause a chemical reaction in motor oil that causes its viscosity to change. Do you know the steps you can take to prevent thermal breakdown?