The pressing need for solutions that provide the same functional capacity but at a lighter weight is apparent across numerous industries. One of the key industries driving this field is the transportation sector: CAFE regulations are putting pressure on transportation that use combustion engines to reduce their emissions and the electric variants have a pressing need for more mileage, lightweighting structural components are key solutions to this.Lightweight metals provide the most advanced solution to meet these challenges. IDTechEx have analysed the complete supply chain for aluminium, magnesium, metal matrix composites (MMC), and metal foams. Each one stands at different levels of market maturity, but all possess underlying advancements in technological innovations and contain a wealth of opportunities.Through extensive primary research, this report provides global analysis of this market including complete market forecasts and company profiles based on primary interviews from many of the most innovative emerging companies.