
Our Approach is One of a Kind
Achates Power works with leading engine companies, licensing designs, development and test tools, software, and patents that enable engines for a range of applications that reduce CO2 and criteria emissions and provide robust compliance in a cost-effective manner.
Passenger Vehicles
The OP Engines provide best-in-class efficiency while meeting federal and state emissions requirements.
Medium & Heavy Duty Commercial Vehicles
Heavy-Duty truck fuel efficiency technology with a 90% reduction in NOx and future year EPA CO2 levels.

Military
The U.S. Army Advanced Combat Engine (ACE) is a key component of the Army’s 30-year strategy to modernize tactical and combat vehicles.
Off-Road/Power Generation
Engine power that meets Tier 4 Final emission standards with industry-leading efficiency.
Passenger Vehicles
The OP Engines provide best-in-class efficiency while meeting federal and state emissions requirements.
Military
The U.S. Army Advanced Combat Engine (ACE) is a key component of the Army’s 30-year strategy to modernize tactical and combat vehicles.
Medium & Heavy Duty Commercial Vehicles
Heavy-Duty truck fuel efficiency technology with a 90% reduction in NOx and future year EPA CO2 levels.
Off-Road/Power Generation
Engine power that meets Tier 4 Final emission standards with industry leading efficiency.
Driving Forward
Catch up on news, updates from Achates Power, and buzzworthy industry topics on our blog.
Will the Diesel Engine Ever Be Perfected?May 18, 2022
Will the Diesel Engine Ever Be Perfected? The California Air Resources...
Behind the News: A New Type of Engine?May 18, 2022
Behind the News: A New Type of Engine? Get insights behind...
Achates, Walmart Launch Opposed-Piston Engine Trial Achates Power and Walmart are...