Some of the world’s most complicated engines were created to achieve a specific objective. These engines were built to satisfy monster power requirements or to hit a high level of performance within ...

Achates Power in San Diego says its opposed-piston engine, now in dyno testing, has achieved fuel efficiency that's 21% better thatn a benchmark V-8, the latest 6.7-liter PowerStroke from Ford, and ...

Achates Power of San Diego has developed a two-stroke truck diesel that has two crankshafts linked to two opposed pistons facing each other in a common cylinder. The biggest advantage of this design ...

It may end up being one of the most innovative engines passed over for mass production. The Achates Power 10.6-liter opposed-piston diesel engine made headlines recently for becoming the first oil ...

Motor vehicle engine design has remained fairly standard throughout the history of the technology, although things have evolved quite a bit from the T-4 engine that powered Henry Ford's pioneering ...

Diesel is dead? Not quite yet. Achates announced Friday that it has produced a heavy-duty, two-stroke diesel engine with near-zero emissions that costs less than a conventional engine and is expected ...