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GM Develops a Diesel


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When it comes to fuel-efficient vehicles, hybrids pretty much are the name of the game so far as mass-market products in the U.S. go. Sure, there are products like the Nissan LEAF, but to buy a full electric vehicle, people have to be willing to commit to a change in their driving behavior, and as seems to be the case, there are few people who are giving up the possibility that they might suddenly have to take a 300-mile trip.

Consider this: a car that would provide the ability to suddenly take a 717-mile trip. A car that has an EPA estimated 46 mpg highway, which is better than any non-hybrid car available in the U.S.

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It’s the Chevy Cruze Clean Diesel, which is powered by a 2.0-liter, four-cylinder turbo diesel engine that produces 151 hp and 264 lb-ft of torque. An engine that is based on a proven architecture developed by General Motors in Torino, Italy, specifically engineered for the U.S. market by GM Powertrain engineering in Pontiac, Michigan, and manufactured at a GM plant in Kaiserslautern, Germany. And it is fitted into Chevy Cruzes being manufactured in Lordstown, Ohio.

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How the engine was developed is discussed by Mike Siergrist, assistant chief engineer for the engine, in this edition of “Autoline After Hours.” Siergrist talks with John McElroy, host of the show, and Gary Vasilash.

“Wait a minute,” you might be thinking. “What about Autoextremist Peter DeLorenzo?”

Fear not. He’s on the show, too, prior to Siergrist’s appearance.

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