OSHKOSH—Piper Aircraft has partnered with jet-fueled, diesel piston-engine maker DeltaHawk to give future buyers of PA-44 Seminoles a way to bypass the looming U.S. transition away from leaded avgas.

The world's most powerful piston engine is awesomely huge, gulping huge amounts of fuel. And because of changes in shipping, ...

The highest torque diesel engines ever made have turned up in everything from small commercial vehicles to powerful locomotives to mining equipment and more.

As part of the scheme, the government might consider incentivising manufacturing of specific auto parts that are exported the ...

China goes through the motions of honoring Western economic sanctions on Russia, and blames any drone components getting through Russia as the work of Chinese smugglers. These smugglers boast of their ...

GM offered a 702-CI V12 semi-truck engine in the 1960s, but diesel engines won out because they're reliable, efficient, and ...

The Chinese-made Weichai WP13H diesel engine, unveiled in 2024, broke a record for diesel engine efficiency with 53.09% BTE.

Are you thinking about switching to a biodiesel-compatible vehicle or running your current diesel car or truck on biodiesel fuel? Continue reading to learn the pros and cons of biodiesel vs ...

At the HOT ROD How-To section, you’ll learn how to make improvements to your own special hot rod, drawing from the DIY knowledge of the HOT ROD team to learn more about how-to make more power ...

Discover more about diesel emission claims, relating to VW, Mercedes and more, in this full guide from Martin Lewis's MoneySavingExpert.

Looking for a luxury SUV that's also fuel efficient? Check this out, our 2016 Jeep Grand Cherokee Review.