Speed Up: Increases speed and fuel consumptionEfficiency Up: Decreases fuel con

Features:

Speed Upgrade: Increases speed and fuel consumption.

Efficiency Upgrade: Decreases fuel consumption.

IO Upgrade: Enables automation. I=Input, O=Output, F=Fuel.

X means, nothing can enter or leave this side.

Check mark means, you can input and output with hoppers, itemducts, pipes, etc.

A means, the furnus/pulvus pulls/pushs by itself. It includes the check mark.

Slot Upgrade: Adds one additional input slot and output slot (max. 2).

Bonus Upgrade: Increases chance of more output. Increases fuel consumption.

XP Upgrade: Increases XP output.

Eco Upgrade: Keeps the heat even if there are no items in input slots and prevents that the progress bar will be reset if the furnus/pulvus is out of fuel.

Energy Upgrade: Enables energy support.