Electrified, yes -- but they still rumble

Ben Patel, chief technical officer at Tenneco, in Traverse City, Mich. Tenneco engineers have created a prototype system that uses a smaller, standardized muffler that has a speaker enclosed in a sphere alongside the tailpipe. (Richard Truett)

July 30, 2018 05:00 AM

TRAVERSE CITY, Mich. -- One possible future for vehicle exhaust systems is in the Tenneco trailer outside the Grand Traverse Resort.

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