diff --git a/PHI-CL/config.lua b/PHI-CL/config.lua
index 1c441fc..2ebe2e7 100644
--- a/PHI-CL/config.lua
+++ b/PHI-CL/config.lua
@@ -356,6 +356,33 @@ local items = {
             graphics_name = 'solar-panel-equipment'
         }
     },
+    ['item-productivity'] = {
+        ['solar-panel'] = 'solar-energy',
+        ['accumulator'] = 'electric-energy-accumulators',
+        ['landfill'] = 'landfill',
+        ['cliff-explosives'] = 'cliff-explosives',
+        ['concrete'] = 'concrete',
+        ['refined-concrete'] = 'concrete',
+        ['foundation'] = 'foundation',
+        --[[
+        ['artificial-yumako-soil'] = 'artificial-soil',
+        ['artificial-jellynut-soil'] = 'artificial-soil',
+        ['overgrowth-yumako-soil'] = 'overgrowth-soil',
+        ['overgrowth-jellynut-soil'] = 'overgrowth-soil',
+        ]]
+        ['copper-cable'] = 'electronics',
+        ['electronic-circuit'] = 'electronics',
+        ['advanced-circuit'] = 'advanced-circuit',
+        ['sulfur'] = 'sulfur-processing',
+        ['explosives'] = 'explosives',
+        ['battery'] = 'battery',
+        ['engine'] = 'engine',
+        ['electric-engine'] = 'electric-engine',
+        ['flying-robot-frame'] = 'robotics',
+        ['iron-gear-wheel'] = 'automation',
+        ['iron-stick'] = 'concrete',
+        ['ice-melting'] = 'ice-melting',
+    },
     ['space-age'] = {
         ['science'] = {
             ['agricultural-science-pack'] = true,
diff --git a/PHI-CL/data.lua b/PHI-CL/data.lua
index f7a9d90..e4b5a3a 100644
--- a/PHI-CL/data.lua
+++ b/PHI-CL/data.lua
@@ -333,6 +333,37 @@ if settings.startup['PHI-MI'].value then
         end
     end
 
+    if settings.startup['PHI-MI-PRODUCTIVITY'].value then
+        local function add_prod_tech(name, tech)
+            data:extend({{
+                type = 'technology',
+                name = name .. '-productivity',
+                prerequisites = tech,
+                effects = {
+                    {
+                        type = 'change-recipe-productivity',
+                        recipe = name,
+                        change = 0.1
+                    }
+                },
+                unit = {
+                    count_formula = '(1.5^L)*1000',
+                    ingredients = table.deepcopy(data.raw.technology[tech].unit.ingredients),
+                    time = data.raw.technology[tech].unit.time
+                },
+                icon = data.raw.technology[tech].icon,
+                max_level = 'infinite',
+                upgrade = true
+            }})
+        end
+
+        for k, v in pairs(items.item_productivity) do
+            if data.raw.technology[v] then
+                add_prod_tech(k, v)
+            end
+        end
+    end
+
     data.raw['utility-constants'].default.default_pipeline_extent = settings.startup['PHI-MI-PIPE-EXTENT'].value
     data.raw['utility-constants'].default.rocket_lift_weight = settings.startup['PHI-MI-ROCKET-CAPACITY'].value * 1000000
     data.raw['utility-constants'].default.default_item_weight = settings.startup['PHI-MI-CARGO-WEIGHT'].value
diff --git a/PHI-CL/locale/en/locale.cfg b/PHI-CL/locale/en/locale.cfg
index df23fdf..10a520c 100644
--- a/PHI-CL/locale/en/locale.cfg
+++ b/PHI-CL/locale/en/locale.cfg
@@ -123,6 +123,7 @@ PHI-MI-TRAIN=[color=54,228,255]MI7[/color]
 PHI-MI-PIPE-EXTENT=[color=54,228,255]MI8[/color]
 PHI-MI-ROCKET-CAPACITY=[color=54,228,255]MI9[/color]
 PHI-MI-CARGO-WEIGHT=[color=54,228,255]MI10[/color]
+PHI-MI-PRODUCTIVITY=[color=54,228,255]MI11[/color]
 
 PHI-SA=[color=255,254,42]SA[/color]
 PHI-SA-HEAT-RADIUS=[color=54,228,255]SA1[/color]
@@ -173,6 +174,7 @@ PHI-MI-TRAIN=Train efficiency
 PHI-MI-PIPE-EXTENT=Pipe Extent
 PHI-MI-ROCKET-CAPACITY=Rocket capacity
 PHI-MI-CARGO-WEIGHT=Rocket cargo weight
+PHI-MI-PRODUCTIVITY=Item productivity
 
 PHI-SA=[color=255,254,42]Space Age[/color]
 PHI-SA-HEAT-RADIUS=Heat radius
diff --git a/PHI-CL/locale/ja/locale.cfg b/PHI-CL/locale/ja/locale.cfg
index c49117c..0a8ba50 100644
--- a/PHI-CL/locale/ja/locale.cfg
+++ b/PHI-CL/locale/ja/locale.cfg
@@ -123,6 +123,7 @@ PHI-MI-TRAIN=列車効率
 PHI-MI-PIPE-EXTENT=パイプ範囲
 PHI-MI-ROCKET-CAPACITY=ロケット容量
 PHI-MI-CARGO-WEIGHT=ロケット積載重量
+PHI-MI-PRODUCTIVITY=アイテム生産効率
 
 PHI-SA=[color=255,254,42]Space Age[/color]
 PHI-SA-HEAT-RADIUS=熱半径
diff --git a/PHI-CL/locale/zh-TW/locale.cfg b/PHI-CL/locale/zh-TW/locale.cfg
index d8c2b9e..620ea6c 100644
--- a/PHI-CL/locale/zh-TW/locale.cfg
+++ b/PHI-CL/locale/zh-TW/locale.cfg
@@ -123,6 +123,7 @@ PHI-MI-TRAIN=火車效率
 PHI-MI-PIPE-EXTENT=管道長度
 PHI-MI-ROCKET-CAPACITY=火箭容量
 PHI-MI-CARGO-WEIGHT=火箭貨物重量
+PHI-MI-PRODUCTIVITY=物品生產力
 
 PHI-SA=[color=255,254,42]太空時代[/color]
 PHI-SA-HEAT-RADIUS=熱半徑
diff --git a/PHI-CL/settings.lua b/PHI-CL/settings.lua
index 9be4154..272083c 100644
--- a/PHI-CL/settings.lua
+++ b/PHI-CL/settings.lua
@@ -218,6 +218,13 @@ data:extend({
   maximum_value = 1000,
   localised_name = {'phi-cl.combine', {'mod-setting-name-prefix.PHI-MI-CARGO-WEIGHT'}, {'mod-setting-name.PHI-MI-CARGO-WEIGHT'}},
   order = 'C10'
+}, {
+  type = 'bool-setting',
+  name = 'PHI-MI-PRODUCTIVITY',
+  setting_type = 'startup',
+  default_value = false,
+  localised_name = {'phi-cl.combine', {'mod-setting-name-prefix.PHI-MI-PRODUCTIVITY'}, {'mod-setting-name.PHI-MI-PRODUCTIVITY'}},
+  order = 'C11'
 }, {
   type = 'bool-setting',
   name = 'PHI-SA',