The Aemetis Biogas dairy digester and pipeline project is expected to begin first gas production in September 2020 and our planned deployment of the patented LanzaTech cellulosic ethanol technology at the Riverbank plant has positioned Aemetis to rapidly produce expanding positive cash flow from the production of high-grade sanitizer alcohol as well as low carbon, clean burning high-performance renewable fuels from abundant low-cost waste biomass feedstocks.
Refer to the input text as context and select the correct relationship between 'digester' and 'Biogas' from the available options.
Options: distribution format, manufacturer, product/material produced, owned by