I recall reading a research piece a few years ago that basically said you’d need a ~$5-6 gas price (RBOB - ~$3.5 today) for biofuel to be profitable on an unsub

I recall reading a research piece a few years ago that basically said you’d need a ~$5-6 gas price (RBOB - ~$3.5 today) for biofuel to be profitable on an unsubsidized basis. Not directly comparable but it highlighted that it wasn’t really that good an idea.