Finnish manufacturer Wärtsilä introduced an engine back in 2015 that was so good, it snagged a Guinness World Records title for being the most efficient four-stroke diesel engine shortly after its ...

The diesel engine was, like many things, born of necessity. The main engine types of the day—hot bulb oil, steam, coal gas, and gasoline—were not so thermally efficient or ideal for doing heavy-duty ...

The venerable Ford Power Stroke diesel engine family features some of the most technologically advanced and powerful turbodiesel engines of all time. Found primarily under the hoods of Ford's ...