General Motors announced Thursday morning a new engine would be produced at the DMAX plant in Moraine. GM asaid the new Duramax 6.6L turbo-diesel engine would be produced in Moriane from DMAX Ltd., the company's joint venture with Isuzu. The newest product from the auto giant will be featured in the 2017 Chevrolet Silverado HD truck.The 445-horsepower engine is intended to "enable easier, more confident hauling and trailering," GM said in its statement. “With nearly 2 million sold over the past…