Cummins X15N Natural Gas Engine Could Drive Next Wave of RNG Demand
The latest State of Sustainable Fleets report finds that early adopters of Cummins’ X15N 15-liter natural gas engine are reporting strong performance, which analysts say could translate into a meaningful uptick in RNG fuel demand. The report frames continued natural gas vehicle adoption as the central tailwind for the U.S. RNG market in 2026.