diff --git a/Documentation/User Manual/1-user-interface/C_settings.md b/Documentation/User Manual/1-user-interface/C_settings.md
index e0acbb54deaa4666e71218a94ddfea324e448bd0..eadfe36f33140ada3958f95e5774f52f4805e9ff 100644
--- a/Documentation/User Manual/1-user-interface/C_settings.md	
+++ b/Documentation/User Manual/1-user-interface/C_settings.md	
@@ -1,7 +1,7 @@
 ##Settings
 
 
-![](pics/Settings.svg)
+![](pics/Settings.PNG)
 
 
 ###Description
@@ -20,16 +20,12 @@ File Open Command
 
 ###Calculation Settings
 
+<div class="engineering">
 Air Density \[kg/m³\]
 :	The Air Density is needed to calculate the air resistance together with the **Drag Coefficient** and the **Cross Sectional Area** (see [Vehicle Editor](#vehicle-editor)).
 
-Fuel Density \[kg/l\]
-:	The Fuel Density is used to calculate the l/km results.
-
-CO~2~ -to-Fuel Ratio\[-\]
-:	Mass ratio (kg~CO2~ / kg~FC~) used to calculate CO~2~ emissions.
-
-These  settings are only used in Engineering mode. In Declaration mode the default values are used.
+This  setting is only used in Engineering mode. In Declaration mode the default value of 1.188 \[kg/m³\] is used.
+</div>
 
 ###Controls
 
diff --git a/Documentation/User Manual/1-user-interface/G_ENG-Editor.md b/Documentation/User Manual/1-user-interface/G_ENG-Editor.md
index 52643d41ec39fa0096c7bb31c71cb5685a56d651..5c3f9ed554be5c0747e394248d56492b2a6586a1 100644
--- a/Documentation/User Manual/1-user-interface/G_ENG-Editor.md	
+++ b/Documentation/User Manual/1-user-interface/G_ENG-Editor.md	
@@ -24,6 +24,9 @@ Idling Engine Speed \[rpm\]
 Displacement \[ccm\]
 :   Used in [Declaration Mode](#declaration-mode) to calculate inertia.
 
+Fuel Type
+:   Used to compute derived results such as fuel consumption in liters and CO2 values. This parameter influences the CO2-to-fuel ratio and fuel density. The actual values can be looked up in [FuelTypes.csv](../Declaration/FuelTypes.csv).
+
 Inertia including Flywheel \[kgm²\]
 :   Inertia for rotating parts including engine flywheel. In [Declaration Mode](#declaration-mode) the inertia is calculated  depending on the engine's displacement and also accounts for the clutch's inertia.
 
diff --git a/Documentation/User Manual/pics/Settings.PNG b/Documentation/User Manual/pics/Settings.PNG
index a172bebbdc7763cf08117e02a050ecb2fa4d28ba..4ca53e9a6b49a9959563df8e626b78dcd41496a7 100644
Binary files a/Documentation/User Manual/pics/Settings.PNG and b/Documentation/User Manual/pics/Settings.PNG differ