Abstract
The automotive industry is one of the major manufacture sectors in developed nations. It accounts for almost 5% of total manufacture value of industrialized countries such as USA, Japan, France and England. The automobiles are also an essential end user of gasoline and naphtha. This leads to environmental impact with major contribution to output of greenhouse gases. In 2000 transportation contributes around 20 percent of world carbon dioxide emissions. International environmental standards and specifications organizations wary about the long term effect of carbon dioxide emissions. Adding to the environmental impact, the expected shortages in the supply of petroleum products productions in the near future are leading factors for producing more fuel efficient vehicles. The adoption of producing body cars light in weights to minimize the fuel consumption becomes major priority in automobile … إجمالي الاقتباسات تم اقتباسها في عدد: