diff --git a/libs/turtle-utils.lua b/libs/turtle-utils.lua
index e48db71..7c09004 100644
--- a/libs/turtle-utils.lua
+++ b/libs/turtle-utils.lua
@@ -2,6 +2,18 @@ local turtleUtils = {}
 
 local DEFAULT_IDLE_TIME = 2
 
+turtleUtils.isFuelItem = function(item)
+  item = item or {}
+
+  -- TODO: silent gear coal
+  if item.name == 'minecraft:stick' or item.name == 'minecraft:coal_coke_block' or item.name == 'immersiveengineering:coke' or item.name == 'silentgear:netherwood_charcoal' or item.name == 'silentgear:netherwood_charcoal_block' then
+    return true
+  end
+
+  local tags = item.tags or {}
+  return tags['minecraft:coals'] or tags['minecraft:logs'] or tags['minecraft:planks'] or tags['minecraft:saplings'] or false
+end
+
 turtleUtils.getInventory = function(side)
   side = side or 'front'
   local inv = peripheral.wrap(side)