Solid Biofuel is a fuel item produced from Biomass. It is used to fuel the Biomass Burner, vehicles, and the Chainsaw, and is the most energy-efficient form of solid biomass power, only beaten by Liquid Biofuel, which is unlocked much later in the game.
|Tier 2 - Obstacle Clearing|
|Tier 5 - Alternative Fluid Transport|
- Patch 0.3:
- Loading a save created before Patch 0.3 would convert Biofuel items to Packaged Liquid Biofuel, however, Solid Biofuel replaced the original Biofuel progression-wise