diff --git a/assets/hbm/textures/gui/gui_ams_base.png b/assets/hbm/textures/gui/gui_ams_base.png
index 760dfbec4..2c1039e14 100644
Binary files a/assets/hbm/textures/gui/gui_ams_base.png and b/assets/hbm/textures/gui/gui_ams_base.png differ
diff --git a/assets/hbm/textures/gui/gui_ams_limiter.png b/assets/hbm/textures/gui/gui_ams_limiter.png
index 316d938f8..6cb4472ce 100644
Binary files a/assets/hbm/textures/gui/gui_ams_limiter.png and b/assets/hbm/textures/gui/gui_ams_limiter.png differ
diff --git a/assets/hbm/textures/items/ams_focus_blank.png b/assets/hbm/textures/items/ams_focus_blank.png
new file mode 100644
index 000000000..6a5ca07bc
Binary files /dev/null and b/assets/hbm/textures/items/ams_focus_blank.png differ
diff --git a/assets/hbm/textures/items/ams_focus_booster.png b/assets/hbm/textures/items/ams_focus_booster.png
new file mode 100644
index 000000000..7a58f7efb
Binary files /dev/null and b/assets/hbm/textures/items/ams_focus_booster.png differ
diff --git a/assets/hbm/textures/items/ams_focus_limiter.png b/assets/hbm/textures/items/ams_focus_limiter.png
new file mode 100644
index 000000000..1659c3ba1
Binary files /dev/null and b/assets/hbm/textures/items/ams_focus_limiter.png differ
diff --git a/com/hbm/inventory/gui/GUIAMSLimiter.java b/com/hbm/inventory/gui/GUIAMSLimiter.java
index dbab5a181..924c82bde 100644
--- a/com/hbm/inventory/gui/GUIAMSLimiter.java
+++ b/com/hbm/inventory/gui/GUIAMSLimiter.java
@@ -34,6 +34,8 @@ public class GUIAMSLimiter extends GuiInfoContainer {
 
 		limiter.tank.renderTankInfo(this, mouseX, mouseY, guiLeft + 26, guiTop + 69 - 52, 16, 52);
 		this.drawElectricityInfo(this, mouseX, mouseY, guiLeft + 134, guiTop + 69 - 52, 16, 52, limiter.power, limiter.maxPower);
+		this.drawCustomInfo(this, mouseX, mouseY, guiLeft + 152, guiTop + 69 - 52, 16, 52, new String[] { "Efficiency:", limiter.efficiency + "%" });
+		this.drawCustomInfo(this, mouseX, mouseY, guiLeft + 8, guiTop + 69 - 52, 16, 52, new String[] { "Heat:", limiter.heat + "/" + limiter.maxHeat });
 	}
 
 	@Override
@@ -53,6 +55,12 @@ public class GUIAMSLimiter extends GuiInfoContainer {
 		int i = (int) limiter.getPowerScaled(52);
 		drawTexturedModalRect(guiLeft + 134, guiTop + 69 - i, 192, 52 - i, 16, i);
 		
+		int j = limiter.getEfficiencyScaled(52);
+		drawTexturedModalRect(guiLeft + 152, guiTop + 69 - j, 208, 52 - j, 16, j);
+		
+		int k = limiter.getHeatScaled(52);
+		drawTexturedModalRect(guiLeft + 8, guiTop + 69 - k, 176, 52 - k, 16, k);
+		
 		Minecraft.getMinecraft().getTextureManager().bindTexture(limiter.tank.getSheet());
 
 		limiter.tank.renderTank(this, guiLeft + 26, guiTop + 69, limiter.tank.getTankType().textureX() * FluidTank.x, limiter.tank.getTankType().textureY() * FluidTank.y, 16, 52);
diff --git a/com/hbm/inventory/gui/GuiInfoContainer.java b/com/hbm/inventory/gui/GuiInfoContainer.java
index fe784566c..7dded0616 100644
--- a/com/hbm/inventory/gui/GuiInfoContainer.java
+++ b/com/hbm/inventory/gui/GuiInfoContainer.java
@@ -20,5 +20,10 @@ public abstract class GuiInfoContainer extends GuiContainer {
 		if(x <= mouseX && x + width > mouseX && y < mouseY && y + height >= mouseY)
 			gui.drawFluidInfo(new String[] { power + "/" + maxPower + "HE" }, mouseX, mouseY);
 	}
+	
+	public void drawCustomInfo(GuiInfoContainer gui, int mouseX, int mouseY, int x, int y, int width, int height, String[] text) {
+		if(x <= mouseX && x + width > mouseX && y < mouseY && y + height >= mouseY)
+			this.func_146283_a(Arrays.asList(text), mouseX, mouseY);
+	}
 
 }
diff --git a/com/hbm/packet/AuxGaugePacket.java b/com/hbm/packet/AuxGaugePacket.java
new file mode 100644
index 000000000..55ddc2922
--- /dev/null
+++ b/com/hbm/packet/AuxGaugePacket.java
@@ -0,0 +1,71 @@
+package com.hbm.packet;
+
+import com.hbm.interfaces.IConsumer;
+import com.hbm.interfaces.ISource;
+
+import cpw.mods.fml.common.network.simpleimpl.IMessage;
+import cpw.mods.fml.common.network.simpleimpl.IMessageHandler;
+import cpw.mods.fml.common.network.simpleimpl.MessageContext;
+import cpw.mods.fml.relauncher.Side;
+import cpw.mods.fml.relauncher.SideOnly;
+import io.netty.buffer.ByteBuf;
+import net.minecraft.client.Minecraft;
+import net.minecraft.tileentity.TileEntity;
+
+public class AuxGaugePacket implements IMessage {
+
+	int x;
+	int y;
+	int z;
+	int value;
+	int id;
+
+	public AuxGaugePacket()
+	{
+		
+	}
+
+	public AuxGaugePacket(int x, int y, int z, int value, int id)
+	{
+		this.x = x;
+		this.y = y;
+		this.z = z;
+		this.value = value;
+		this.id = id;
+	}
+
+	@Override
+	public void fromBytes(ByteBuf buf) {
+		x = buf.readInt();
+		y = buf.readInt();
+		z = buf.readInt();
+		value = buf.readInt();
+		id = buf.readInt();
+	}
+
+	@Override
+	public void toBytes(ByteBuf buf) {
+		buf.writeInt(x);
+		buf.writeInt(y);
+		buf.writeInt(z);
+		buf.writeInt(value);
+		buf.writeInt(id);
+	}
+
+	public static class Handler implements IMessageHandler<AuxGaugePacket, IMessage> {
+		
+		@Override
+		@SideOnly(Side.CLIENT)
+		public IMessage onMessage(AuxGaugePacket m, MessageContext ctx) {
+			try {
+				TileEntity te = Minecraft.getMinecraft().theWorld.getTileEntity(m.x, m.y, m.z);
+
+				if (true) {
+					
+				}
+				
+			} catch (Exception x) { }
+			return null;
+		}
+	}
+}
diff --git a/com/hbm/packet/PacketDispatcher.java b/com/hbm/packet/PacketDispatcher.java
index b09c050e3..f89cf6b54 100644
--- a/com/hbm/packet/PacketDispatcher.java
+++ b/com/hbm/packet/PacketDispatcher.java
@@ -51,6 +51,8 @@ public class PacketDispatcher {
 		wrapper.registerMessage(TEPressPacket.Handler.class, TEPressPacket.class, i++, Side.CLIENT);
 		//Electricity gauge for GUI rendering
 		wrapper.registerMessage(AuxElectricityPacket.Handler.class, AuxElectricityPacket.class, i++, Side.CLIENT);
+		//Electricity gauge for GUI rendering
+		wrapper.registerMessage(AuxGaugePacket.Handler.class, AuxGaugePacket.class, i++, Side.CLIENT);
 	}
 	
 }
diff --git a/com/hbm/tileentity/machine/TileEntityAMSLimiter.java b/com/hbm/tileentity/machine/TileEntityAMSLimiter.java
index d51fbdc88..2ad585038 100644
--- a/com/hbm/tileentity/machine/TileEntityAMSLimiter.java
+++ b/com/hbm/tileentity/machine/TileEntityAMSLimiter.java
@@ -32,9 +32,9 @@ public class TileEntityAMSLimiter extends TileEntity implements ISidedInventory,
 	public long power = 0;
 	public static final long maxPower = 1000000;
 	public int efficiency = 0;
-	public static final long maxEfficiency = 100;
+	public static final int maxEfficiency = 100;
 	public int heat = 0;
-	public static final long maxHeat = 2500;
+	public static final int maxHeat = 2500;
 	public int age = 0;
 	public int warning = 0;
 	public int mode = 0;
@@ -211,6 +211,32 @@ public class TileEntityAMSLimiter extends TileEntity implements ISidedInventory,
 			
 			tank.setType(0, 1, slots);
 			tank.updateTank(xCoord, yCoord, zCoord);
+			
+			heat = 0;
+
+			if(slots[0] != null)
+				heat += maxHeat/2;
+			if(slots[1] != null)
+				heat += maxHeat/2;
+			
+			if(power > 0) {
+				//" - (maxHeat / 2)" offsets center to 50% instead of 0%
+				efficiency = Math.round(calcEffect(power, heat - (maxHeat / 2)) * 100);
+				power -= Math.ceil(power * 0.025);
+				heat += efficiency;
+			} else {
+				efficiency = 0;
+			}
+			
+			//TODO
+			/*if(tank.getTankType().name().equals(FluidType.CRYOGEL.name())) {
+				
+				int i = (int) (1/Math.sqrt(heat + 1));
+				
+				if() {
+					
+				}
+			}*/
 
 			power = Library.chargeTEFromItems(slots, 3, power, maxPower);
 			
@@ -218,9 +244,29 @@ public class TileEntityAMSLimiter extends TileEntity implements ISidedInventory,
 		}
 	}
 	
+	private float gauss(float a, float x) {
+		
+		//Greater values -> less difference of temperate impact
+		double amplifier = 0.10;
+		
+		return (float) ( (1/Math.sqrt(a * Math.PI)) * Math.pow(Math.E, -1 * Math.pow(x, 2)/amplifier) );
+	}
+	
+	private float calcEffect(float a, float x) {
+		return (float) (gauss( 1 / a, x / maxHeat) * Math.sqrt(Math.PI * 2) / (Math.sqrt(2) * Math.sqrt(maxPower)));
+	}
+	
 	public long getPowerScaled(long i) {
 		return (power * i) / maxPower;
 	}
+	
+	public int getEfficiencyScaled(int i) {
+		return (efficiency * i) / maxEfficiency;
+	}
+	
+	public int getHeatScaled(int i) {
+		return (heat * i) / maxHeat;
+	}
 
 	@Override
 	public void setPower(long i) {