...stment costs and high energy requirements of current biomethane upgrading technologies. NeoZeo AB - an award winning, venture capital backed SME based at the Stockholm University innovation hub - has a novel solution to this problem; ZeoBio-NG is a patented biogas upgrading system that has higher efficiency, lower energy requirements, and costs 50% less than the state-of-the-art. ZeoBio-NG integra ...