If you want something that is more up-to-date and covers this topic, here's a good podcast: https://www.volts.wtf/p/whats-going-on-with-biofuels https://www.vol

If you want something that is more up-to-date and covers this topic, here's a good podcast: https://www.volts.wtf/p/whats-going-on-with-biofuels https://www.volts.wtf/p/whats-going-on-with-biofuels Most important fact: All these promised second generation biofuels technologies, from which switchgrass was one, didn't happen.