Steel pistons catch on in Europe, but U.S. waits Main benefits for diesel cars: Lower emissions, higher mpg

摘要

A new generation of steel pistons is gaining favor in diesel passenger vehicles in Europe - a strategic win in the lightweighting contest among steel, aluminum and other materials. But it could be a while before the technology reaches U.S. cars, experts say, primarily because diesels have fallen out of favor in the U.S., thanks to the Volkswagen diesel emissions scandal.