The Upstate New York farmer already loved Deere engines and had a tired 4039T from an industrial air-compressor sitting idle… The swap idea wrote itself. The 4039T displaces 3.9 liters, breathes ...

Chevrolet's Silverado 1500 and Sierra 1500 are have the best mileage in 2025, with a combined 26 mpg from the 3.0-liter Duramax diesel engine.

In this work, we investigate the adaptive sliding-mode observer design problem for the selective catalytic reduction (SCR) system in diesel-engine aftertreatment systems. First, an uncertain ...