Emissions/Air/Fuel Ratio

Drake Controls supplies air/fuel ratio control systems for emissions compliance and combustion optimization on gas engines. Woodward E³ controls deliver closed-loop AFR control for both rich-burn (three-way catalyst) and lean-burn engines.


E³ Rich Burn

The Woodward E³ Rich Burn control provides highly stable, closed-loop air-fuel ratio control on engines using three-way catalysts, helping…

E³ Lean Burn

The Woodward E³ Lean Burn Full Authority Fuel Blending control manages industrial gas engines in the 300 kW to 2,000 kW range while blending…


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