General Motors just announced a new welding process it already implements in some cars that allows for increased use of the lightweight material, ultimately offering improved fuel economy. Using a ...

In what seems like a never-ending quest to decrease the weight of automobiles, General Motors has announced that its Research & Development center has invented a welding technology that is expected to ...

The 2016 Cadillac CT6 is the first fruit of General Motors’ labors to perfect the idea of spot welding between aluminum and steel. The process eliminates the need for rivets between the different ...

Warren — General Motors Co. believes it is the first automaker to weld steel to aluminum through resistance spot welding, a technique it spent some two years developing and expects will save weight ...

Although some engineers have had success in spot welding steel and aluminum together, it has largely been considered impossible to achieve reliable, continuous welds directly between the two ...

DETROIT, MI-In an effort to improve the fuel efficiency of its vehicles, General Motors Co. plans to use a new aluminum welding technology "more extensively" starting next year. According to the ...

After years of development and testing, engineers at GM are on the verge of putting a couple parts for the Cadillac CT6 sedan into production that are notable because they require welding steel to ...

Developed in the 1940s, AA7075 is an aluminum alloy that's almost as strong as steel, yet it weighs just one third as much. Unfortunately its use has been limited, due to the fact that pieces of it ...