Reducing fuel consumption and reducing emissions of hazardous wastes (CO2, NOX, etc.) have become one of the main drivers and directions for technological progress in the automotive industry. Research shows that lightweighting is an effective measure to achieve fuel savings and reduce pollution. For each 10% reduction in the mass of the car, fuel consumption can be reduced by 8%-10%, and exhaust emissions can be reduced by 10%. In terms of driving, the acceleration performance of the vehicle is improved after lightening, and vehicle control stability, noise, and vibration are also improved. From the perspective of collision safety, after the car is light-weighted, the inertia at the time of collision is small and the braking distance is reduced.
The preferred way to reduce the weight of automobiles is to use lightweight materials with high specific strength, such as aluminum, magnesium and titanium, instead of traditional automotive materials (steel). In 2009, the global automotive titanium volume reached 3,000 tons. Titanium has been used in racing cars for many years. Titanium is used almost all of today's cars. Japan has more than 600 tons of titanium for use in automobiles. With the development of the global automotive industry, the use of titanium for automobiles is rapidly increasing.
The advantages of using titanium in automobiles include: lighter weight and lower fuel consumption; improved power transmission and noise reduction; reduced vibration and lighter component loads; improved vehicle durability and environmental protection.