diff --git a/carbon-recipe-updates.lua b/carbon-recipe-updates.lua
index d1a72af..00c9aab 100644
--- a/carbon-recipe-updates.lua
+++ b/carbon-recipe-updates.lua
@@ -7,6 +7,9 @@ util.add_prerequisite("low-density-structure", "diamond-processing")
 util.add_prerequisite("advanced-electronics-2", "diamond-processing")
 util.add_prerequisite("laser", "diamond-processing")
 
+-- update carbon black alternate recipe if possible
+util.replace_ingredient("carbon-black", "coal", "crushed-coal")
+
 
 if not mods["space-age"] then -- more uses for graphene in vanilla
   util.add_prerequisite("power-armor-mk2", "graphene")
@@ -40,6 +43,7 @@ end
 
 -- space age
 if mods["space-age"] then
+  util.add_ingredient("crusher", "diamond", 10)
   util.add_ingredient("big-mining-drill", "diamond", 10)
   util.add_prerequisite("big-mining-drill", "diamond-processing-2")
   util.replace_ingredient("quantum-processor", "tungsten-carbide", "diamond", 2)
@@ -51,6 +55,11 @@ if mods["space-age"] then
   util.set_product_probability("scrap-recycling", "processing-unit", 0.03)
   util.add_ingredient("cryogenic-plant", "graphene", 20)
   util.add_ingredient("fluoroketone", "graphene", 1)
+
+  -- Crushing industries
+  util.add_ingredient("crusher-2", "diamond", 10)
+  util.add_ingredient("big-crusher", "diamond", 10)
+  util.add_ingredient("big-electric-crusher", "diamond", 10)
 end
 
 -- fullerenes & nanotubes
diff --git a/changelog.txt b/changelog.txt
index 486eee5..99d818d 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -1,8 +1,12 @@
 ---------------------------------------------------------------------------------------------------
 Version: 2.0.14
-Date: 2025-03-23
+Date: 2025-04-08
   Changes:
-    - none
+    - Space Age: Crusher recipe requires diamonds.
+    - Carbon black recipe uses crushed coal if available
+    - Further improved compatibility with Crushing Industry recipes
+    - Space Age: Asteroid crushing recipe now affected by productivity research
+    - Space Age: Low Density Structure recipes now affected by productivity reseearch
 ---------------------------------------------------------------------------------------------------
 Version: 2.0.13
 Date: 2025-03-22
diff --git a/data-util.lua b/data-util.lua
index 2ab06b4..f121833 100644
--- a/data-util.lua
+++ b/data-util.lua
@@ -754,8 +754,17 @@ function util.add_effect(technology_name, effect)
       if not data.raw.recipe[effect.recipe] then
         return
       end
-      table.insert(technology.effects, effect)
     end
+    table.insert(technology.effects, effect)
+  end
+end
+
+-- Make a technology boost productivity for a recipe
+function util.add_to_productivity_research(technology_name, recipe_name, amount)
+  if not amount then amount = 0.1 end
+  local recipe = data.raw.recipe[recipe_name]
+  if recipe then
+    util.add_effect(technology_name, { type = "change-recipe-productivity", recipe = recipe_name, change = amount})
   end
 end
 
diff --git a/info.json b/info.json
index e2ce61b..9ae6537 100644
--- a/info.json
+++ b/info.json
@@ -1,6 +1,6 @@
 {
     "name": "bzcarbon",
-    "version": "2.0.13",
+    "version": "2.0.14",
     "factorio_version": "2.0",
     "title": "Graphite & Diamonds",
     "author": "Brevven",
diff --git a/nanotubes-final.lua b/nanotubes-final.lua
index 21561f3..db2e671 100644
--- a/nanotubes-final.lua
+++ b/nanotubes-final.lua
@@ -6,4 +6,8 @@ if util.me.use_fullerenes() then
   cutil.nanotube_recipe("casting-low-density-structure", "low-density-structure")
   cutil.nanotube_recipe("space-platform-foundation")
   cutil.nanotube_recipe("low-density-structure-from-aluminum", "low-density-structure")
+
+  util.add_to_productivity_research("low-density-structure-productivity", "low-density-structure-nanotubes")
+  util.add_to_productivity_research("low-density-structure-productivity", "casting-low-density-structure-nanotubes")
+  util.add_to_productivity_research("low-density-structure-productivity", "low-density-structure-from-aluminum-nanotubes")
 end
diff --git a/prototypes/basic-crusher.lua b/prototypes/basic-crusher.lua
index a445ff4..c734739 100644
--- a/prototypes/basic-crusher.lua
+++ b/prototypes/basic-crusher.lua
@@ -4,7 +4,7 @@ local item_sounds = require("__base__.prototypes.item_sounds")
 local sounds = require("__base__.prototypes.entity.sounds")
 local hit_effects = require("__base__.prototypes.entity.hit-effects")
 
-if mods["space-age"] and not data.raw.furnace["basic-crusher"] then
+if mods["space-age"] and not data.raw.furnace["basic-crusher"] and not mods["crushing-industry"] then
 -- note that crusher is a space age asset and as such can only be used with space age
 
 local graphics = require("__space-age__.prototypes.entity.crusher-pictures")
diff --git a/prototypes/carbon-asteroid-updates.lua b/prototypes/carbon-asteroid-updates.lua
index d6cb030..866b6bb 100644
--- a/prototypes/carbon-asteroid-updates.lua
+++ b/prototypes/carbon-asteroid-updates.lua
@@ -38,4 +38,5 @@ if mods["space-age"] then
     },
   })
   util.add_unlock("space-platform-thruster", "alternative-carbonic-asteroid-crushing")
+  util.add_to_productivity_research("asteroid-productivity", "alternative-carbonic-asteroid-crushing")
 end