**4.2 Automotive applications**

The first application of magnesium in automotive was in engines of racing cars. England used commercial magnesium applications such as in crankcases of busses and tractors' transmission housing in the 1930s. The demand for magnesium applications in automotive was increased in world war I and II. The major parts which use magnesium are given in **Table 3**. The major problems in applications of magnesium in automotive are limited thermal conductivity, and magnesium cannot perform well between hot and cold temperatures. The magnesium strength is increased by doping the different reinforcement and deformation process to get the required strength and ductility [16, 17].
