> None of the carmakers do R+D on basic materials and are limited by the commercially available alloy formulas. Materials research has been constantly reducing

> None of the carmakers do R+D on basic materials and are limited by the commercially available alloy formulas. Materials research has been constantly reducing car weight for decades, at the same time that safety was improved and production costs reduced. New aluminum and steels are developed every day. For example, the development of high strength steels have been driven by the automotive industry. The contribution of Tesla is merely anecdotic at this point.