Abstract
The emissions of greenhouse gases caused by the car industry are a substantial contributor to the problem that is the escalation of global warming into a serious crisis. In order to find a solution to this issue, it is essential to enhance the efficiency with which automobiles burn fuel. This goal can be accomplished by replacing heavier components of cars with those made of lighter materials while preserving the same level of safety. This paper discusses some new materials that can be used in vehicles instead of traditional steel, such as high-strength steel, aluminum alloys, magnesium alloys, and carbon fibre. It also determines the most suitable new lightweight materials to be applied to car bodies by comparing the mechanical properties of the various new materials, specifically the strength-to-density ratios of the various new materials. Based on the findings of the study, which compared the ratios of the materials' strengths to their densities, carbon fibre was shown to have superior qualities to those of other materials.
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