had trouble finding much on their homepage but : https://www.lanzatech.com/2013/09/20/lanzatech-awarded-4-million-grant-from-arpa-e-to-transform-waste-methane-r

had trouble finding much on their homepage but : https://www.lanzatech.com/2013/09/20/lanzatech-awarded-4-million-grant-from-arpa-e-to-transform-waste-methane-resources-into-low-carbon-fuels-and-chemicals/ https://www.lanzatech.com/2013/09/20/lanzatech-awarded-4-mil... has at least some more information about it, thanks for the hint :-)