COLLEGE STATION, Texas–(BUSINESS WIRE)–Phoenix Service Partners (“Phoenix”), in conjunction with Caterpillar Inc. (“CAT”), has successfully tested a large-horsepower gas compression system that delivers ultra-low methane emissions for the operator without requiring a connection to the power grid. In a technical paper presented recently at the 2026 Gas Machinery Conference, Phoenix and CAT released the field trial results of an engine-mounted integrated oxidation catalyst (“IOC”) technology de