diff --git a/carbon-recipe-modules.lua b/carbon-recipe-modules.lua
index 8be6a88..cde8d58 100644
--- a/carbon-recipe-modules.lua
+++ b/carbon-recipe-modules.lua
@@ -1,20 +1,7 @@
 -- Enable prod modules for all recipes
 local util = require("data-util");
 
-recipes = {
-  "graphite",
-  "synthetic-diamond",
-
-  "graphene",
-  "heavy-water-graphene",
-  "enriched-graphite",
-
-  "fullerenes",
-  "nanotubes",
-
-  "diamond-synthesis-vulcanite",
-  -- NOTE: Carbon black recipes do not allow prod modules
-}
+local recipes = util.me.recipes
 
 -- Add all *-nanotubes recipes that exist
 local ending = "-nanotubes"
diff --git a/changelog.txt b/changelog.txt
index 7e916de..a085077 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -1,4 +1,11 @@
 ---------------------------------------------------------------------------------------------------
+Version: 0.5.6
+Date: 2022-12-28
+  Features:
+    - Support for Crafting Efficieny mod (note: technology icon cropping issues)
+  Changes:
+    - Carbon fiber, polyacrylonitrile, and rough diamond processing can benefit from productivity
+---------------------------------------------------------------------------------------------------
 Version: 0.5.5
 Date: 2022-12-28
   Changes:
diff --git a/compatibility/crafting-efficiency.lua b/compatibility/crafting-efficiency.lua
new file mode 100644
index 0000000..e844c62
--- /dev/null
+++ b/compatibility/crafting-efficiency.lua
@@ -0,0 +1,38 @@
+local util = require("data-util");
+
+if mods["crafting-efficiency-2"] then
+
+  local recipes = util.me.recipes
+  local eff_data = {
+    ["synthetic-diamond"] = {
+        max = 15,
+        icon =  data.raw.item["diamond"].icon,
+        crafting = { efficiency = 10 },
+        research = { level = 6 },
+    },
+    ["diamond-processing"] = {
+        max = 15,
+        icon =  data.raw.item["diamond"].icon,
+        crafting = { efficiency = 10 },
+        research = { level = 6 },
+    },
+  }
+
+  for i, recipe in pairs(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] then
+      eff_data[recipe] = {
+        name = recipe.." efficiency",
+        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 7815879..4d8cdb9 100644
--- a/data-updates.lua
+++ b/data-updates.lua
@@ -21,5 +21,6 @@ if mods.Asteroid_Mining then
   end
 end
 
+require("compatibility/crafting-efficiency")
 -- Must be last
 util.create_list()
diff --git a/info.json b/info.json
index 281ef84..8bbff75 100644
--- a/info.json
+++ b/info.json
@@ -1,6 +1,6 @@
 {
     "name": "bzcarbon",
-    "version": "0.5.5",
+    "version": "0.5.6",
     "factorio_version": "1.1",
     "title": "Graphite & Diamonds",
     "author": "Brevven",
diff --git a/me.lua b/me.lua
index 2a137d0..528de5b 100644
--- a/me.lua
+++ b/me.lua
@@ -3,6 +3,25 @@ local me = {}
 me.name = "bzcarbon"
 me.list = {}
 
+me.recipes = {  -- recipes that allow productivity
+  "graphite",
+  "synthetic-diamond",
+  "diamond-processing",
+
+  "graphene",
+  "heavy-water-graphene",
+  "enriched-graphite",
+
+  "fullerenes",
+  "nanotubes",
+
+  "carbon-fiber",
+  "polyacrylonitrile",
+
+  "diamond-synthesis-vulcanite",
+  -- NOTE: Carbon black recipes do not allow prod modules
+}
+
 function me.use_fiber()
   return me.get_setting("bzcarbon-enable-carbon-fiber") == "yes"
 end