diff --git a/248k_2/prototypes/electronic/el_burner.lua b/248k_2/prototypes/electronic/el_burner.lua
index 9f63ea5..0f13f2f 100644
--- a/248k_2/prototypes/electronic/el_burner.lua
+++ b/248k_2/prototypes/electronic/el_burner.lua
@@ -73,7 +73,7 @@ data:extend({
             fuel_inventory_size = 3,
             burnt_inventory_size = 3,
             effectivity = 0.95,
-            emissions_per_minute = 20,
+            emissions_per_minute = { pollution = 20 },
             fuel_categories = {"chemical", "charged_fuel"},
             smoke = {
                 {
@@ -131,7 +131,7 @@ data:extend({
             type = 'electric',
             usage_priority = 'primary-output',
             input_flow_limit = '0W',
-            emissions_per_minute = 20,
+            emissions_per_minute = { pollution = 20 },
         },
         max_power_output = burner_output(),
         maximum_temperature = 40,
diff --git a/248k_2/prototypes/electronic/el_diesel_train.lua b/248k_2/prototypes/electronic/el_diesel_train.lua
index 07da8e6..db58d7b 100644
--- a/248k_2/prototypes/electronic/el_diesel_train.lua
+++ b/248k_2/prototypes/electronic/el_diesel_train.lua
@@ -64,7 +64,7 @@ data:extend({
             fuel_category = 'el_train_fuel',
             fuel_inventory_size = 3,
             effectitvity = 1,
-            emissions_per_minute = 20,
+            emissions_per_minute = { pollution = 20 },
             smoke = {
                 {
                     name = "train-smoke",
diff --git a/248k_2/prototypes/electronic/el_pressurizer.lua b/248k_2/prototypes/electronic/el_pressurizer.lua
index a85555e..f062822 100644
--- a/248k_2/prototypes/electronic/el_pressurizer.lua
+++ b/248k_2/prototypes/electronic/el_pressurizer.lua
@@ -48,7 +48,7 @@ data:extend({
           type = 'electric',
           usage_priority = 'secondary-input',
           input_flow_limit = '60kW',
-          emissions_per_minute = 25,
+          emissions_per_minute = { pollution = 25 },
       },
       energy_usage = '40kW',
       fluid_boxes = {
diff --git a/248k_2/prototypes/fission/fi_crafter.lua b/248k_2/prototypes/fission/fi_crafter.lua
index 56f9d92..22bd936 100644
--- a/248k_2/prototypes/fission/fi_crafter.lua
+++ b/248k_2/prototypes/fission/fi_crafter.lua
@@ -49,7 +49,7 @@ data:extend({
             fuel_inventory_size = 3,
             burnt_inventory_size = 3,
             effectivity = 0.35,
-            emissions_per_minute = 20,
+            emissions_per_minute = { pollution = 20 },
             fuel_category = 'fi_basic_fuel'
         },
         energy_usage = '200kW',
diff --git a/248k_2/prototypes/fission/fi_miner.lua b/248k_2/prototypes/fission/fi_miner.lua
index 57af415..83d9d21 100644
--- a/248k_2/prototypes/fission/fi_miner.lua
+++ b/248k_2/prototypes/fission/fi_miner.lua
@@ -45,7 +45,7 @@ data:extend({
             fuel_inventory_size = 3,
             burnt_inventory_size = 3,
             effectivity = 0.35,
-            emissions_per_minute = 75,
+            emissions_per_minute = { pollution = 75 },
             fuel_category = 'fi_basic_fuel'
         },
         energy_usage = '4MW',
diff --git a/248k_2/prototypes/fission/fi_refinery.lua b/248k_2/prototypes/fission/fi_refinery.lua
index ab2fdd3..90d1537 100644
--- a/248k_2/prototypes/fission/fi_refinery.lua
+++ b/248k_2/prototypes/fission/fi_refinery.lua
@@ -45,7 +45,7 @@ data:extend({
         energy_source = {
             type = 'electric',
             usage_priority = 'secondary-input',
-            emissions_per_minute = 20,
+            emissions_per_minute = { pollution = 20 },
             --input_flow_limit = '4MW',
         },
         energy_usage = '1MW',
diff --git a/248k_2/prototypes/fusion/fu_miner.lua b/248k_2/prototypes/fusion/fu_miner.lua
index d2430cc..0347d33 100644
--- a/248k_2/prototypes/fusion/fu_miner.lua
+++ b/248k_2/prototypes/fusion/fu_miner.lua
@@ -62,7 +62,7 @@ data:extend({
         type = "burner",
         fuel_inventory_size = 1,
         effectivity = 1,
-        emissions_per_minute = 20,
+        emissions_per_minute = { pollution = 20 },
         fuel_category = "fu_miner_fuel_category",
         smoke = {
             {
diff --git a/248k_2/prototypes/gravitation/gr_train.lua b/248k_2/prototypes/gravitation/gr_train.lua
index b13335b..191f222 100644
--- a/248k_2/prototypes/gravitation/gr_train.lua
+++ b/248k_2/prototypes/gravitation/gr_train.lua
@@ -419,7 +419,7 @@ data:extend({
             fuel_inventory_size = 3,
             burnt_inventory_size = 3,
             effectivity = 0.001,
-            emissions_per_minute = 10,
+            emissions_per_minute = { pollution = 10 },
         },
         --light
         front_light = {