/industries/otherindustries/industrial-energy/b/weblog/posts/advancing-combustion-control-efficiencyControlling industrial combustion-based units such as boilers, heaters and furnace has historically relied on the use of fuel-to-air curves. These curves represent the amount of fuel and air required for a given load. In this 4:28 video, Patented Combustionen-USTelligent Community 13