The 2020 X15 Efficiency Series engine delivers up to 5% better fuel economy than the prior X15 Efficiency Series engine and is designed for increased uptime and improved driver satisfaction. It has ...

When you look at total cost (purchase price, destination fee and five years of fuel), the 2026 GMC Sierra 1500 Denali with the 3.0-liter Duramax turbo-diesel engine costs less than every other Denali ...

Smaller, more powerful and fuel-efficient engines don’t seem to have great long term reliability. Engine recalls from major automakers such as GM, Toyota and Honda have cost billions of dollars. Moves ...

With labels stating "diesel fuel only" and the existence of separate gasoline and diesel pumps, most people know there are distinct differences between gasoline and diesel vehicles that go beyond the ...

Combustion efficiency and emission control in internal combustion engines lie at the heart of efforts to reconcile performance, fuel economy and environmental impact. Optimising the conversion of ...