![]() ![]() To achieve more lightweight vehicles, car designers have had to find light but durable material, and the production engineering department has had to find a way to work closely with materials manufacturers and exchange information carefully through trial-and-error, becoming involved with the manufacturing process (pressing and welding). The result has been a gradual performance improvement of automobiles over many years. Many automakers have tried to get ahead of their competitors in fixing these conflicting problems at a high level. ![]() ![]() Ever since the Industrial Revolution, social problems such as traffic accidents and ecological issues have proven difficult to solve. Society continues to demand high safety, high environmental performance and high comfort from the cars it uses. Automakers must satisfy contradictory demands to improve both fuel efficiency and crash safety. ![]()
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