The Digest’s 2018 Visual Guide to the economics, politics of renewable fuels

But it also tells you that, for some time to come, the cellulosic ethanol business is going to be entirely dependent on the RFS to keep it from complete financial debacle, as this graphic demonstrates.

That’s one reason why companies like Aemetis and LanzaTech are working hard to convince the world to provide a stable carbon regime to decarbonize the transportation system to address climate change risk. And it’s a reason that Wall Street has been leery of financing cellulosic ethanol — they just don’t trust Washington, or California, to stay with the RFS.