Clean carbon sludge to remove black smoke emission in your diesel car

If your diesel car have black smoke emission, it can be a sign of other damage. It caused by carbon sludge buildup. Clean it in the easiest way!

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Is it true that diesel cars produce more air pollutants?

The Volkswagen Scandal case makes us wonder whether it is true that diesel cars emit so much pollutants gas or not comparing to the gasoline car

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