diff --git a/changelog.txt b/changelog.txt
index 55a3a51..690362e 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -1,4 +1,14 @@
 ---------------------------------------------------------------------------------------------------
+Version: 1.0.17
+Date: 03.5.2022
+  Features:
+    - updated some machine sprites with working lights
+
+  Changes:
+    - decreased fuel values of energy crystals
+    - decreased fuel values of diesel train fuel
+    - decreased cost of equipment items
+---------------------------------------------------------------------------------------------------
 Version: 1.0.16
 Date: 26.4.2022
   Changes:
diff --git a/info.json b/info.json
index bc0c5c2..1facf8c 100644
--- a/info.json
+++ b/info.json
@@ -1,6 +1,6 @@
 {
     "name": "248k",
-    "version": "1.0.16",
+    "version": "1.0.17",
     "title": "248k Mod",
     "author": "PreLeyZero",
     "factorio_version": "1.1",
diff --git a/prototypes/electronic/el_energy_crystal.lua b/prototypes/electronic/el_energy_crystal.lua
index 0b53729..85142fe 100644
--- a/prototypes/electronic/el_energy_crystal.lua
+++ b/prototypes/electronic/el_energy_crystal.lua
@@ -22,6 +22,6 @@ data:extend({
         fuel_acceleration_multiplier = 1,
         fuel_emissions_multiplier = 1,
         fuel_top_speed_multiplier = 1,
-        fuel_value = '35MJ',
+        fuel_value = '20MJ',
     },
 })
\ No newline at end of file
diff --git a/prototypes/electronic/el_train_fuel.lua b/prototypes/electronic/el_train_fuel.lua
index 1bf385f..4867267 100644
--- a/prototypes/electronic/el_train_fuel.lua
+++ b/prototypes/electronic/el_train_fuel.lua
@@ -21,7 +21,7 @@ data:extend({
         fuel_category = 'el_train_fuel',
         fuel_emissions_multiplier = 1,
         fuel_top_speed_multiplier = 1,
-        fuel_value = '100MJ',
+        fuel_value = '70MJ',
     },
     {
         name = 'el_train_fuel_diesel_energized_item',
@@ -35,7 +35,7 @@ data:extend({
         fuel_top_speed_multiplier = 1.3,
         fuel_category = 'el_train_fuel',
         fuel_emissions_multiplier = 1,
-        fuel_value = '135MJ',
+        fuel_value = '100MJ',
     },
 
 })
\ No newline at end of file
diff --git a/prototypes/fi_recipes.lua b/prototypes/fi_recipes.lua
index 731a315..9c19ca7 100644
--- a/prototypes/fi_recipes.lua
+++ b/prototypes/fi_recipes.lua
@@ -326,7 +326,7 @@ data:extend({
             {'fi_pure_fuel_item',1},
         },
         result = 'fi_equipment_player_reactor_item',
-        result_count = 4,
+        result_count = 6,
         energy_required = 20,
     },
     {
@@ -334,9 +334,9 @@ data:extend({
         type = 'recipe',
         enabled = 'false',
         ingredients = {
-            {'fi_energy_crystal_item',100},
-            {'low-density-structure',20},
-            {'processing-unit',40},
+            {'fi_energy_crystal_item',20},
+            {'low-density-structure',10},
+            {'processing-unit',10},
             {'energy-shield-mk2-equipment',5}
         },
         result = 'fi_equipment_player_shield_item',
@@ -349,12 +349,12 @@ data:extend({
         enabled = 'false',
         ingredients = {
             {'fi_solid_reactor_item',1},
-            {'low-density-structure',20},
-            {'iron-gear-wheel',40},
+            {'low-density-structure',10},
+            {'iron-gear-wheel',20},
             {'fi_pure_fuel_item',1},
         },
         result = 'fi_train_equipment_generator_item',
-        result_count = 4,
+        result_count = 6,
         energy_required = 20,
     },
     --crystals
diff --git a/prototypes/fission/fi_energy_crystal.lua b/prototypes/fission/fi_energy_crystal.lua
index 2e3787b..ca05be2 100644
--- a/prototypes/fission/fi_energy_crystal.lua
+++ b/prototypes/fission/fi_energy_crystal.lua
@@ -22,7 +22,7 @@ data:extend({
         fuel_acceleration_multiplier = 1,
         fuel_emissions_multiplier = 1,
         fuel_top_speed_multiplier = 1,
-        fuel_value = '300MJ',
+        fuel_value = '150MJ',
     },
     {
         name = 'fi_crushed_crystal_item',
diff --git a/prototypes/fission/fi_fuel.lua b/prototypes/fission/fi_fuel.lua
index c1bee72..009d8f6 100644
--- a/prototypes/fission/fi_fuel.lua
+++ b/prototypes/fission/fi_fuel.lua
@@ -172,7 +172,7 @@ data:extend({
         fuel_top_speed_multiplier = 1.55,
         fuel_category = 'el_train_fuel',
         fuel_emissions_multiplier = 3.5,
-        fuel_value = '350MJ',
+        fuel_value = '250MJ',
     },