The main purpose of this search is to characterize our local Motor Fuels and compare them with international fuels aiming to contribute in finding a solution to improve their quality. Fuels affected by legislation include gasoline, diesel and heavy fuel oil, this trend is now spreading to other regions of the world, wherever similar clean fuels regulations are being planned and implemented. The paper deals with the current specifications for local market and ways to meet international requirements. Analysis for the produced Motor gasoline and diesel fuel in Yemen Refining Companies were done and proposed changes for the qualities and technological processes are suggested