Fuel efficiency is always top of mind. Cummins is delivering measurable gains with the new Cummins X15 GHG 27 engine—up to 4% ...

Discover the most fuel-efficient trucks of 2025. From hybrids to diesels, explore top picks like the Ford Maverick (38 MPG) ...

We took a look at more than just power output when picking these diesel engines. We've already reviewed the diesel engines ...