Achates spends $125 million on new two-stroke

An executive of Achates Power Inc. has revealed the company has invested $125 million developing a new two-stroke engine that uses compacted graphite iron (CGI)  for its highly-stressed cylinder block.

Opposed-piston engines: here we go again

The arrival of Cummins Inc. on the scene has once more thrown the limelight onto opposed-piston two-stroke diesel engines for military fighting vehicles.