By: Alisa Priddle
Ford made headlines when it gutted body shops at two pickup truck plants to build the new 2015 F-150 with an aluminum body instead of heavier steel, convinced the cost and risk were worth it for a lighter and better truck. General Motors is equally committed to reducing the weight of future vehicles but has taken a different approach. It quietly pursued ways to use existing body shops, tools, and equipment to spot weld future vehicles with a mix of materials, including aluminum — a strategy deemed less costly and disruptive. 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 aluminum. GM is only months away...
Mining New Companies
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