The 2019 Ram 3500 now gets 400 horsepower and 1,000 pounds-feet of torque from its Cummins high-output diesel, but what does that mean for fuel economy? We took a Ram 3500 Limited 4×4 crew-cab ...
When GM's new 3.0-liter Duramax diesel engine becomes available on the 2020 Chevrolet Silverado 1500 pickup truck this fall, it might be the most fuel-efficient pickup truck in its class. And by class ...
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