Ford, GM innovate to remove weight

With plasma transferred wire arc, electricity in a plasma cloud vaporizes metal wire, which is then sprayed onto the cylinder walls of an engine block with an air jet. Only the sections of the cylinder walls that the piston rings travel over are treated. Ford is saving more than 6 pounds per engine with the process. (FORD)

October 27, 2015 05:00 AM

BLOG06_160709968_H1_-1_ZXUIERENGYEQ.jpg Richard Truett covers technology and engineering for Automotive News.

Despite cheap gasoline prices in the U.S., the march to remove weight from light vehicles continues.

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