Diesel, once a bastion of the future and a savior of fuel economy, has found itself in a very different place since the industry-shaking Diesel Gate incident of 2015. It went from what was seen as the ...

When your Cummins goes into limp mode (aka low-power mode or safe mode), it's the truck's way of telling you something's wrong, while still letting you crawl to safety. It restricts speed and power to ...

Your car dashboard has several warning lights, with each having its own meaning. For instance, the check engine light, which you'll find on almost all car dashboards, typically lights up when there's ...

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 ...