The mind-bending world of birotary engines - a hybrid of piston and rotary technology that could revolutionize aviation. But ...

There's a new acronym floating around the performance industry—GDI—and it stands for gasoline direct injection. Among domestic production engines that have jumped heavily into the GDI segment are the ...

To sleeve or to bore your engine block? That's the several-hundred-dollar question (maybe into the thousands) as you ...

Learn how a small engine’s gear and piston system operates together, explained through clear visuals and real mechanical ...

Everyone generally knows about piston and rotary engines, with many a flamewar having been waged over the pros and cons of each design. The “correct” answer is thus to combine both ...

Free-piston engine generators and linear machines represent an innovative departure from conventional rotary systems, offering high thermal efficiency and operational flexibility by eliminating the ...

Piston ring end gaps matter more than you think because they manage pressure and heat, preventing catastrophic failures ...

While there have been many unusual engine designs over the years, there haven't been many advancements involving the inner workings of the piston engine, except for higher-quality components, since ...

The combustion engine has been around since the 19th century, thought up by the brilliant minds of engineers like Nikolaus Otto and Rudolf Diesel. Over the years, advancements in automotive technology ...