Green Car Congress

JANUARY 28, 2021

Achates Power was recently awarded a $5-million contract from the US Army to expand the family of opposed-piston engines for military vehicles. The project, awarded in late-2020, builds upon the success of the Advanced Combat Engine (ACE). In December 2020, Achates Power announced that their 10.6L Earlier post.)

Power 418

Power Powered Vehicles Exhaust 418

Green Car Congress

OCTOBER 29, 2019

An adaption of cylinder de-activation technique called ECONAMIQ over-expansion can be applied to engines to improve fuel efficiency. Using the pressure from the exhaust gas from the active cylinders, the ‘idle’ cylinders could be expanded to extract more work out of the engine during partial load operation. de Jong (2019).

Fuel 186

Fuel San Jose 2019 Engine 186

Green Car Congress

JANUARY 22, 2015

DOE has established 55% engine efficiency as a stretch goal for heavy duty engines with a plan to meet this goal by 2020. Engines must be capable of meeting current emission standards and technologies developed must be demonstrated on an engine.

Fuel 150

Fuel Hydrogen Vehicles Carbon Fiber 150