In early April, Brazil reached a point the energy sector had been awaiting for months. On April 1, 2026, the National Energy Policy Council (CNPE) approved the decarbonization target for natural gas producers and importers: a 0.5% reduction in emissions through the participation of biomethane in consumption.
The Certificate of Guarantee of Origin for Biomethane has just been definitively regulated by the ANP. With Resolutions No. 995 and No. 996, published in March 2026, Brazil created a new financial instrument: an asset that proves the renewable origin of the gas, can be traded separately from the physical molecule and serves both to meet mandatory regulatory targets and voluntary corporate decarbonization strategies. For most investors, CGOB is still unknown. This article explains how it works, what differentiates it from RenovaBio's CBIOs, what the risks are and why 2026 could be the inflection point for anyone who wants to position themselves in this market before it matures.
With more than 1,700 clean hydrogen projects mapped worldwide and demand projections requiring annual investments exceeding US$1 trillion starting in 2030, according to the International Energy Agency (IEA), the question is no longer whether green hydrogen will become a major commodity, but who will produce and export it.









