GA-ASI acquires assets of propulsion specialist Achates Power

General Atomics Aeronautical Systems Inc (GA-ASI) announced on 19 August 2025 that has acquired key assets, including a portfolio of patents and other intellectual property, from Achates Power: a San Diego-based company that produces advanced engine technology.

GA-ASI stated that the acquisition strengthens its capabilities in high-performance propulsion systems and underscores a commitment to advance propulsion technologies for its line of unmanned aircraft systems, noting that Achates Power has long been recognised for groundbreaking work in developing best-in-class low-emission, fuel-efficient and high-power-density engines.

“We are excited to incorporate Achates Power’s opposed-piston engine technology into GA-ASI’s portfolio,” David Alexander, president of GA-ASI, was quoted as saying in a company press release. “Their advancements in green technology emission reduction, fuel efficiency and power density align perfectly with our mission to deliver innovative solutions for airborne platforms.”

“Achates Power’s engine designs deliver exceptional value for applications requiring high efficiency and power density, particularly in environments with strict emissions regulations,” added Dave Crompton, CEO of Achates Power. “We are proud that our technology will continue to thrive under GA-ASI: a company renowned for its technical excellence and diverse expertise.”