Coal

Coal supports metallurgy, energy and industry. Active recipes:
• Steel smelting: 1 Coal + 2 Iron → 2 Steel
• Copper smelting: 3 Copper ore + 1 Coal → 2 Copper
• Brick: 3 Clay + 1 Coal → 4 Brick
• Glass: 4 Sand + 1 Coal → 3 Glass
• Gunpowder compound: 2 Coal + 1 Gas → 2 Gunpowder
• Rare alloy: 2 Titanium + 2 Rare metals + 2 Coal → 2 Rare alloy