Scientists are exploring a surprisingly simple way to clean up diesel engines: adding tiny droplets of water to the fuel.

Diesel engines do their hardest work in the toughest jobs, from highway semis to construction equipment, and the reason they can survive that punishment starts with how fiercely they squeeze the air ...

The largest and heaviest self-propelled ground vehicle on the planet, per Guinness, sits at NASA's Kennedy Space Center in Florida. Creatively dubbed Crawler-Transporter 2, this monstrosity is the ...

If you ever want to start an argument between diesel enthusiasts, just bring up the topic of the 6.7 Cummins and PowerStroke diesel engines and see the sparks fly. It's a rivalry as old as time itself ...

You don't always need tons of power to get the job done—this S-10 is going strong with a 1.6-liter non-turbo diesel engine. First, the bed was filled with approximately 300 pounds of a Chevy 350 ...

Caterpillar is putting that century-old design to work in its heaviest tracked dozer yet – and the efficiency gains are ...

On the Chinese calendar, this year is the Year of the Fire Horse. On the Detroit calendar, 2026 is the Year of Horsepower. More than 100 trucks today produce the same nitrogen oxide emissions as a ...

Once they lowered engines, boilers or heavy cargoes like steam locomotives into the belllies of ships. Now they are rusting monuments to Scotland's industrial past. The four giant cantilever cranes ...

In recent weeks, as global fuel prices fluctuate and supply uncertainties plague international markets, policymakers in ...

The 'Titan' crane at Clydebank has been shut to visitors since 2018 Once they lowered engines, boilers or heavy cargoes like steam locomotives into the belllies of ships. Now they are rusting ...

Add Yahoo as a preferred source to see more of our stories on Google. The 'Titan' crane at Clydebank has been shut to visitors since 2018 [AFP via Getty Images] Once they lowered engines, boilers or ...