Toyota D4S tagged posts

Some people may not care what they put into their car’s gas tank, and just go to the nearest gas station when their cars are running out of gas.

Although there is a federal minimum requirement in US for the gasoline quality, the quality warranty is just very basic and may not be enough for your car’s health, long term speaking.

For example, one requirement to the gasoline sold in US market is, there must be detergent added to prevent carbon buildup inside the engine, to keep the engine runs cleaner, more efficient and lower the emissions. The amount that the detergent added into the gasoline determines the cleaning effect...