Diesel engines need two things to make power: air and fuel. We know that's grossly oversimplified, but it's true. If you increase the engine's ability to ingest air, you can add more fuel and thus ...

We’ve put the EcoBoost-powered Ford F-150 through a number of different tests, including fuel-mileage runs, skid pads and slaloms. We’ve even loaded it with tires to see how big the bed is. The ...