NEW FORMS OF STEEL FOR STRONGER, LIGHTER CARS

Summary from the TLDR newsletter

Automakers tweak production processes to create new steels that allow them to build cars that are both safer and more fuel-efficient. Most steel is more than 98 percent iron - it's the remaining amounts that make the difference. Modifying treatment methods can also change the metal's structure to yield different properties. This article looks at some of these techniques and the materials that comprise modern vehicles.