diff --git a/aluminum-recipe-modules.lua b/aluminum-recipe-modules.lua
index 66f4759..f0d670d 100644
--- a/aluminum-recipe-modules.lua
+++ b/aluminum-recipe-modules.lua
@@ -1,23 +1,6 @@
--- Enable prod modules for all aluminum plate and ore recipes
+local util = require("data-util")
 
-recipes = {"alumina", "aluminum-plate", "aluminum-cable", "acsr-cable", "spark-plug", "aluminum-2219", "aluminum-6061"}
-if mods["Krastorio2"] then
-  table.insert(recipes, "enriched-alumina")
-  table.insert(recipes, "enriched-aluminum")
-end
-if mods["space-exploration"] then
-  table.insert(recipes, "molten-aluminum")
-  table.insert(recipes, "alumina-smelting-vulcanite")
-  table.insert(recipes, "aluminum-plate-smelting-vulcanite")
-  if mods["Krastorio2"] then
-    table.insert(recipes, "enriched-alumina-smelting-vulcanite")
-  end
-end
-if mods.bztitanium then
-    table.insert(recipes, "ti-sapphire")
-end
-
-for i, recipe in pairs(recipes) do
+for i, recipe in pairs(util.me.recipes) do
   if data.raw.recipe[recipe] then
     for j, module in pairs(data.raw.module) do
       if module.effect then
diff --git a/changelog.txt b/changelog.txt
index 6fe1a8a..f7bd273 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -1,4 +1,9 @@
 ---------------------------------------------------------------------------------------------------
+Version: 0.4.20
+Date: 2022-01-15
+  Features:
+    - Crafting efficiency compatibility
+---------------------------------------------------------------------------------------------------
 Version: 0.4.19
 Date: 2022-12-30
   Changes:
diff --git a/compatibility/crafting-efficiency.lua b/compatibility/crafting-efficiency.lua
new file mode 100644
index 0000000..27b6eff
--- /dev/null
+++ b/compatibility/crafting-efficiency.lua
@@ -0,0 +1,24 @@
+local util = require("data-util");
+
+if mods["crafting-efficiency-2"] then
+
+  local eff_data = {
+  }
+
+  for i, recipe in pairs(util.me.recipes) do
+    -- add remaining recipes with direct items to find the icons
+    if data.raw.recipe[recipe] and data.raw.item[recipe] and not eff_data[recipe] and util.get_result_count(recipe) == 1 then
+      eff_data[recipe] = {
+        max = 15,
+        icon =  data.raw.item[recipe].icon,
+        crafting = { efficiency = 10 },
+        research = { level = 6 },
+      }
+    end
+  end
+  for recipe, d in pairs(eff_data) do 
+    log("Adding "..recipe.." crafting efficiency")
+    d.name = recipe:gsub("^%l", string.upper).." efficiency"
+    CE_Add_Recipe(d, recipe)
+  end
+end
diff --git a/data-updates.lua b/data-updates.lua
index b09b5f0..c1b4a3c 100644
--- a/data-updates.lua
+++ b/data-updates.lua
@@ -11,6 +11,7 @@ require("strange-matter")
 require("compatibility/248k")
 require("compatibility/sciencecosttweakerm")
 require("compatibility/rsc")
+require("compatibility/crafting-efficiency")
 
 local util = require("data-util")
 if data.raw.resource["copper-ore"] then
diff --git a/info.json b/info.json
index a7deced..36958f7 100644
--- a/info.json
+++ b/info.json
@@ -1,6 +1,6 @@
 {
     "name": "bzaluminum",
-    "version": "0.4.19",
+    "version": "0.4.20",
     "factorio_version": "1.1",
     "title": "Aluminum",
     "author": "Brevven",
diff --git a/me.lua b/me.lua
index a8336fd..49275ee 100644
--- a/me.lua
+++ b/me.lua
@@ -3,6 +3,17 @@ local me = {}
 me.name = "bzaluminum"
 me.list = {}
 
+
+me.recipes = {"alumina", "aluminum-plate", "aluminum-cable", "acsr-cable", "spark-plug", "aluminum-2219", "aluminum-6061",
+           "enriched-alumina",
+           "enriched-aluminum",
+           "molten-aluminum",
+           "alumina-smelting-vulcanite",
+           "aluminum-plate-smelting-vulcanite",
+           "enriched-alumina-smelting-vulcanite",
+           "ti-sapphire",
+}
+
 function me.mod_setting()
   return me.get_setting("bzmod-setting") == "yes"
 end