Fuel economy

When a vehicle is coasting in gear, combustion doesn't take place inside the internal combustion engine. The wheels drive the engine through the transmission.

The cooling system is a key system of automobiles that controls the temperature of the engine and transmission. Modifying it can cause undesirable consequences on fuel economy, longevity, safety and so on of vehicle parts.

Hybrid cars are known to greatly improve mileage for city driving. They also improve mileage for highway driving too due to some advanced technologies that are incorporated.

A bad wheel alignment implies that angles of the wheels are not set correctly. This makes the engine to work harder to overcome the resistance at the wheels.

There are special skills that can be used when driving a manual transmission car to give the best fuel economy.