
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.
Opposed Piston Engines: What To Know About The Crazy New ConfigurationSeptember 19, 2023
Opposed Piston Engines: What To Know About The Crazy New Configuration...
Machinery Focus: Re-thinking the engine with opposed-piston 2-stroke March 11, 2023...
Abrams X – The Next Generation American Battle Tank?January 4, 2023
“The Advanced Concept Engine is an intriguing system…” This video...