Jeff May of Lindell May Trucking shares his experience with hydrogen carbon cleaning. He has over 10 vehicles. -Truck initially failed Actuator test. After a hydrogen carbon cleaning it passed. -Another truck had variable geometry turbo where the vanes could not move. After cleaning, the turbo vanes moved without issue. -Particulate Filters are basically white and clean. No soot. To learn more: www.hhocarboncleansystems.com To find a location near you: www.hhocarboncleansystems.com/locations/