My multifuel stove is two stoves I made:

1. A penny alcohol stove (aluminum can bottoms + penny pressure valve)

2. A wood stove made from nested tin cans with a gutter screen inner bottom. (copy of the BushBuddy) In the forest, there's no need to carry fuel with this, assuming wood stoves aren't a fire hazard in the area.
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Bushcraft Science: It's not about surviving in the wilderness, it's about thriving in the wilderness.