Its rather self explainatory. but simply a mechine that works like the refiner but with plant fibre or seeds veggies or you'd think relevant then it would create biofuel which you can use as fuel in your ship. what i'm thinking is simply 1 fuel per biofuel and the most "fair" material to use in the Biofuel Converter would probably be seeds as they are harder to get in large quantities But yea. its just an idea hope someone would like to pick it up. i'm pretty sure it would be used by a good bunch of people. =)
That is almost exactly what the 'Beaker' in my machine mod does! Only difference is it converts only harvested crops and raw alien meat, not seeds or plant fiber. If you're interested it's right here: http://community.playstarbound.com/...ker-crusher-and-reclaimer.45348/#post-1452239 Have fun!
http://community.playstarbound.com/index.php?threads/biofuel.47095/ I've written a biofuel mod that does pretty much this with wood and fiber. I mostly left crops out of the equation because they're so useful to their own ends and rarely are you swimming in leftover crop seeds.