diff --git a/core/src/io/anuke/mindustry/content/Blocks.java b/core/src/io/anuke/mindustry/content/Blocks.java
index a01af9f7b1..5ce4ee6276 100644
--- a/core/src/io/anuke/mindustry/content/Blocks.java
+++ b/core/src/io/anuke/mindustry/content/Blocks.java
@@ -768,7 +768,6 @@ public class Blocks implements ContentList{
         }};
 
         thruster = new Wall("thruster"){{
-            requirements(Category.defense, () -> state.rules.infiniteResources, ItemStack.with());
             health = 55 * 16 * wallHealthMultiplier;
             size = 4;
         }};
@@ -1079,12 +1078,12 @@ public class Blocks implements ContentList{
         differentialGenerator = new SingleTypeGenerator(true, false, "differential-generator"){{
             requirements(Category.power, ItemStack.with(Items.copper, 140, Items.titanium, 100, Items.lead, 200, Items.silicon, 130, Items.metaglass, 100));
             powerProduction = 16f;
-            itemDuration = 50f;
+            itemDuration = 60f;
             hasLiquids = true;
             size = 3;
 
             consumes.item(Items.pyratite).optional(true, false);
-            consumes.liquid(Liquids.cryofluid, 0.2f);
+            consumes.liquid(Liquids.cryofluid, 0.18f);
         }};
 
         rtgGenerator = new DecayGenerator("rtg-generator"){{
diff --git a/core/src/io/anuke/mindustry/world/Block.java b/core/src/io/anuke/mindustry/world/Block.java
index 1963f72871..cb546d8e02 100644
--- a/core/src/io/anuke/mindustry/world/Block.java
+++ b/core/src/io/anuke/mindustry/world/Block.java
@@ -584,7 +584,7 @@ public class Block extends BlockStorage{
     public void displayConsumption(Tile tile, Table table){
         table.left();
         for(Consume cons : consumes.all()){
-            if(cons.isOptional()) continue;
+            if(cons.isOptional() && cons.isBoost()) continue;
             cons.build(tile, table);
         }
     }
diff --git a/core/src/io/anuke/mindustry/world/consumers/Consume.java b/core/src/io/anuke/mindustry/world/consumers/Consume.java
index 98ead521d7..be5d0d6af8 100644
--- a/core/src/io/anuke/mindustry/world/consumers/Consume.java
+++ b/core/src/io/anuke/mindustry/world/consumers/Consume.java
@@ -48,6 +48,10 @@ public abstract class Consume{
         return optional;
     }
 
+    public boolean isBoost(){
+        return booster;
+    }
+
     public boolean isUpdate(){
         return update;
     }