The modern preparation of biogas to more efficient, use and transport friendlier biomethane becomes more and more popular. During preparation of the biogas, removal of CO2 and other basic components of the gas resutls in a dramatic change of the gas specific Wobbe Index and therefore new requirements for specification of the flare burner. ennox gas flares can be specially configured for the burning of biogas and biomethane. The fully customized burner technology and combustion chamber design guarantees an efficient and environmentally friendly combustion of the gas.