March 18 marked the birthday of Rudolf Diesel (1858–1913), the inventor of the internal combustion process that still bears ...

It's as crazy as it sounds. Rolls Royce developed a diesel rotary engine for military applications. Because diesel engines require high compression ratios for compression ignition to occur, they used ...

In theory, Wankel-style rotary internal combustion engines have many advantages: they ditch the cumbersome crankcase and piston design, replacing it with a simple, single-chamber design and a thick, ...

The engine in question was the Wankel rotary, named after German engineer Felix Wankel, who first patented the concept in 1929. Instead of pistons moving back and forth, the rotary engine used a ...

For decades, European automakers have championed diesel engines more than anyone else. After all, the technology was invented there – by German engineer Rudolf Diesel in 1897 – and the continent’s ...