A lubricant (sometimes referred to as "lube") is a substance (often a liquid) introduced between two moving surfaces to reduce the friction between them, improving efficiency and reducing wear.  They may also have the function of dissolving or transporting foreign particles and of distributing heat.

One of the single largest applications for lubricants, in the form of motor oil, is to protect the internal combustion engines in motor vehicles and powered equipment.

Carb. Injection Cleaner – Demonstration

10 Basic Car Maintenance Tips.
Car maintenance is especially important if you wish to protect your automotive investment. There are several maintenance related items that need to be dealt with on a regular basis in order to keep your car running smoothly.

By dealing with these things before they become a problem, you can prevent future damages and increase the longevity of your car.

1. Change the oil regularly. It is an absolute necessity. Many people do not realize that the oil in the engine can become very dirty if it is not changed. Follow the schedule in your car’s manual. Clean oil is important for making sure that everything runs smoothly.

Auto Maintenance for Better Gas Mileage
Proper maintenance on your car when needed is a tremendous gas saver. Tune your engine occasionally and keep your tires aligned and properly inflated at all times. These can improve gas mileage by about three percent.

Also, change the oil regularly. If possible, opt for the oil labeled “energy conserving” to increase gas mileage and reduce emissions. Replace the air filters on a regular basis to enjoy up to a ten percent gas mileage improvement.