diff --git a/Documentation/Checklist_Release_VECTO.dotx b/Documentation/Checklist_Release_VECTO.dotx
index b1ce2e344c6c153a84d2301efea3b0b1e2de2378..71539a1afb9d3bfabeeb4a49b847374d73dbd0ac 100644
Binary files a/Documentation/Checklist_Release_VECTO.dotx and b/Documentation/Checklist_Release_VECTO.dotx differ
diff --git a/Documentation/Checklist_Release_VECTO_3.3.1.1492.docx b/Documentation/Checklist_Release_VECTO_3.3.1.1492.docx
new file mode 100644
index 0000000000000000000000000000000000000000..086281a8e59bcf58b254706d601f80e8d97d8434
Binary files /dev/null and b/Documentation/Checklist_Release_VECTO_3.3.1.1492.docx differ
diff --git a/Documentation/User Manual Source/Release Notes Vecto3.x.pdf b/Documentation/User Manual Source/Release Notes Vecto3.x.pdf
index 8919b54d6b2d560db418d7e87ee0d683be0c1964..b6c925d780146149430f7cdb6cc23a9543a49fc2 100644
Binary files a/Documentation/User Manual Source/Release Notes Vecto3.x.pdf and b/Documentation/User Manual Source/Release Notes Vecto3.x.pdf differ
diff --git a/Documentation/User Manual Source/Release Notes Vecto3.x.pptx b/Documentation/User Manual Source/Release Notes Vecto3.x.pptx
index dfde6002f3d872f69acdb3eeeb51931ded9c090a..2bf9d9c39941a75041723f5c7a96a1097c2aabfb 100644
Binary files a/Documentation/User Manual Source/Release Notes Vecto3.x.pptx and b/Documentation/User Manual Source/Release Notes Vecto3.x.pptx differ
diff --git a/Documentation/User Manual/6-changelog/changelog.md b/Documentation/User Manual/6-changelog/changelog.md
index d164c29bcde61f3bcbbe18efdd448efc1cf2d43f..c77e8addca4e978aaa9cabdf1b9f95d5020c7204 100644
--- a/Documentation/User Manual/6-changelog/changelog.md	
+++ b/Documentation/User Manual/6-changelog/changelog.md	
@@ -2,6 +2,15 @@
 
 **VECTO 3.3.1**
 
+***Build 1492 (2019-02-01) OFFICIAL RELEASE***
+
+ - Bugfixes (compared to 3.3.1.1463)
+    * [VECTO-845] - Fixing bug for VECTO-840
+    * [VECTO-826] - DistanceRun got an unexpected response: ResponseSpeedLimitExceeded
+    * [VECTO-837] - VECTO GUI displays incorrect cycles prior to simulation
+    * [VECTO-831] - Addition of indication to be added in Help and Release notes for simulations with LNG
+ 
+
 ***Build 1463 (2019-01-03) RELEASE CANDIDATE***
 
  - Changes according to 2017/2400 amendments
diff --git a/Documentation/User Manual/help.html b/Documentation/User Manual/help.html
index 8adcb7d78651f8e5d8c84851889cc9d7d32606b8..020e5d399f58e891603a64cb505b389223edc8ea 100644
--- a/Documentation/User Manual/help.html	
+++ b/Documentation/User Manual/help.html	
@@ -4212,6 +4212,10 @@ Example: “Gears\Gear1.vtlm” points to the “Gears” subdirectory of the Ge
 </tbody>
 </table>
 <p>Specifications are based on a recent analysis (2018) performed by CONCAWE/EUCAR and shall reflect typical fuel on the European market. The data is scheduled to be published in March 2019 in the context of the study: Well-To-Wheels Analysis Of Future Automotive Fuels And Powertrains in the European Context – Heavy Duty vehicles</p>
+<div id="vecto-input-for-cnglng-vehicles" class="section level3">
+<h3>VECTO Input for CNG/LNG Vehicles</h3>
+<p>Currently only the fuel type ‘NG PI’ for the engine certification is allowed according to Regulation (EU) 2017/2400. For LNG vehicles, therefore, the engine fuel type has to be set to ‘NG PI’ and at the vehicle level NgTankSystem has to be set to ‘liquefied’. For CNG vehicles the same engine fuel type is provided but NgTankSystem has to be set to ‘compressed’.</p>
+</div>
 </div>
 <div id="transmission-losses" class="section level2">
 <h2>Transmission Losses</h2>
@@ -7540,6 +7544,16 @@ CycleTime,UnknownCycleName,3600</code></pre>
 <div id="changelog" class="section level1">
 <h1>Changelog</h1>
 <p><strong>VECTO 3.3.1</strong></p>
+<p><strong><em>Build 1492 (2019-02-01) OFFICIAL RELEASE</em></strong></p>
+<ul>
+<li>Bugfixes (compared to 3.3.1.1463)
+<ul>
+<li>[VECTO-845] - Fixing bug for VECTO-840</li>
+<li>[VECTO-826] - DistanceRun got an unexpected response: ResponseSpeedLimitExceeded</li>
+<li>[VECTO-837] - VECTO GUI displays incorrect cycles prior to simulation</li>
+<li>[VECTO-831] - Addition of indication to be added in Help and Release notes for simulations with LNG</li>
+</ul></li>
+</ul>
 <p><strong><em>Build 1463 (2019-01-03) RELEASE CANDIDATE</em></strong></p>
 <ul>
 <li>Changes according to 2017/2400 amendments
diff --git a/Documentation/VectoResults_3.3.1.1492.xlsx b/Documentation/VectoResults_3.3.1.1492.xlsx
new file mode 100644
index 0000000000000000000000000000000000000000..8f4f2632f860f8e82cc3e9e676b69195ed789e7e
Binary files /dev/null and b/Documentation/VectoResults_3.3.1.1492.xlsx differ
diff --git a/Documentation/digest_values_3.3.1.1492.txt b/Documentation/digest_values_3.3.1.1492.txt
new file mode 100644
index 0000000000000000000000000000000000000000..f450697fa2b5718f0db43534234d5a41f878ee8e
--- /dev/null
+++ b/Documentation/digest_values_3.3.1.1492.txt
@@ -0,0 +1,20 @@
+Algorithm       Hash                                                                   Path
+---------       ----                                                                   ----
+SHA256          81DC59C16E0B6F4B637963FD00A79AA26F253E404AF874DF845BF66CBA51D5EA       2019_02_01-VECTO-3.3.1.1492.zip
+
+
+Algorithm       Hash                                                                   Path
+---------       ----                                                                   ----
+SHA256          2B533C6FEAACC281048F1498809F69A2EC2EBC72D08DBBF6226933BFBFDADDC2       hashingcmd.exe
+SHA256          A3BE90C157538A1443F36BB4338FF57C075CA26E487BB8D802F8377223074B7F       HashingTool.exe
+SHA256          1246C06E89F967C57B3972FE3688D8D61BCD9758F99DC1EFDBA20D25F4D06253       VECTO.exe
+SHA256          4574AC2391B5A4F4D5CE7FBFBFAE342841685248BD2C786FD52C8E4BBE997965       vectocmd.exe
+SHA256          084DDF21C63E7FFA24F9F9F543B7BAA0A0DEC87B6ABC958E3C7D85A099156BA6       AdvancedAuxiliaryInterfaces.dll
+SHA256          B0C0017C29AADA1F0EFDAB9B238962B45E71EEAAFF5B7C260B3CDD281102FBE0       BusAuxiliaries.dll
+SHA256          DF8EC2E0245829DDEC5B79F1918C3AE3A3FA540A5A0E3C410E2B6EF0BEBC7927       Newtonsoft.Json.dll
+SHA256          A4E7600C2A9CBC0CF12334FD5E313EE47F61F669E3D3FCB098968D33D9FB0521       NLog.dll
+SHA256          9B7EB6DE62FF1E6A812FA47697FDB2ABCEAD85AA2554ABF12416FC569DD4462E       Omu.ValueInjecter.dll
+SHA256          951D5FB8C013F83794E84B557261E6E2285356855F3B788FAE2A3A4283E27FA6       VectoCommon.dll
+SHA256          4D591F2C09CC88C738996DAF306509702A61C6E71DF4576A2A08A590AAD375BA       VectoCore.dll
+SHA256          2BC3BFA5565B18A061403DAC883A1813E32FD4AB2F20AA8ECC083B11C6B25B39       VectoHashing.dll
+
diff --git a/HashingTool/Properties/Version.cs b/HashingTool/Properties/Version.cs
index 3396271ffaffa40a942c5d470a2c47be60d97e81..c24991cd59e1ad4f16004f3f2e66106e6ffddc3b 100644
--- a/HashingTool/Properties/Version.cs
+++ b/HashingTool/Properties/Version.cs
@@ -1,7 +1,7 @@
 /*
 * This file is part of VECTO.
 *
-* Copyright © 2012-2019 European Union
+* Copyright © 2012-2017 European Union
 *
 * Developed by Graz University of Technology,
 *              Institute of Internal Combustion Engines and Thermodynamics,
@@ -11,7 +11,7 @@
 * by the European Commission - subsequent versions of the EUPL (the "Licence");
 * You may not use VECTO except in compliance with the Licence.
 * You may obtain a copy of the Licence at:
-*
+*	
 * https://joinup.ec.europa.eu/community/eupl/og_page/eupl
 *
 * Unless required by applicable law or agreed to in writing, VECTO
@@ -30,5 +30,5 @@
 */
 
 using System.Reflection;
-[assembly: AssemblyVersion("0.2.0.1463")]
-[assembly: AssemblyFileVersion("0.2.0.1463")]
+[assembly: AssemblyVersion("0.2.0.1492")]
+[assembly: AssemblyFileVersion("0.2.0.1492")]
diff --git a/VectoCommon/VectoCommon/Properties/Version.cs b/VectoCommon/VectoCommon/Properties/Version.cs
index 50388103e9abcfea4e15a4d540c4c0fc16f87e9d..a97371573fff81be74efbf0ab068aca34ccd2660 100644
--- a/VectoCommon/VectoCommon/Properties/Version.cs
+++ b/VectoCommon/VectoCommon/Properties/Version.cs
@@ -1,7 +1,7 @@
 /*
 * This file is part of VECTO.
 *
-* Copyright © 2012-2019 European Union
+* Copyright © 2012-2017 European Union
 *
 * Developed by Graz University of Technology,
 *              Institute of Internal Combustion Engines and Thermodynamics,
@@ -30,5 +30,5 @@
 */
 
 using System.Reflection;
-[assembly: AssemblyVersion("3.3.1.1463")]
-[assembly: AssemblyFileVersion("3.3.1.1463")]
\ No newline at end of file
+[assembly: AssemblyVersion("3.3.1.1492")]
+[assembly: AssemblyFileVersion("3.3.1.1492")]
\ No newline at end of file
diff --git a/VectoCommon/VectoHashing/Properties/Version.cs b/VectoCommon/VectoHashing/Properties/Version.cs
index daa86a84e4074c604f59317f1fad3babc7602e25..41a1e88b5ec982ff69e2cbfc4a58828401987092 100644
--- a/VectoCommon/VectoHashing/Properties/Version.cs
+++ b/VectoCommon/VectoHashing/Properties/Version.cs
@@ -1,7 +1,7 @@
 /*
 * This file is part of VECTO.
 *
-* Copyright © 2012-2019 European Union
+* Copyright © 2012-2016 European Union
 *
 * Developed by Graz University of Technology,
 *              Institute of Internal Combustion Engines and Thermodynamics,
@@ -11,7 +11,7 @@
 * by the European Commission - subsequent versions of the EUPL (the "Licence");
 * You may not use VECTO except in compliance with the Licence.
 * You may obtain a copy of the Licence at:
-*
+*	
 * https://joinup.ec.europa.eu/community/eupl/og_page/eupl
 *
 * Unless required by applicable law or agreed to in writing, VECTO
@@ -30,5 +30,5 @@
 */
 
 using System.Reflection;
-[assembly: AssemblyVersion("1.2.0.1463")]
-[assembly: AssemblyFileVersion("1.2.0.1463")]
+[assembly: AssemblyVersion("1.2.0.1492")]
+[assembly: AssemblyFileVersion("1.2.0.1492")]
diff --git a/VectoConsole/Properties/Version.cs b/VectoConsole/Properties/Version.cs
index 50388103e9abcfea4e15a4d540c4c0fc16f87e9d..baca65b9ccac0c7f4df76bba65ba443d3ec7e12d 100644
--- a/VectoConsole/Properties/Version.cs
+++ b/VectoConsole/Properties/Version.cs
@@ -1,7 +1,7 @@
 /*
 * This file is part of VECTO.
 *
-* Copyright © 2012-2019 European Union
+* Copyright © 2012-2017 European Union
 *
 * Developed by Graz University of Technology,
 *              Institute of Internal Combustion Engines and Thermodynamics,
@@ -11,7 +11,7 @@
 * by the European Commission - subsequent versions of the EUPL (the "Licence");
 * You may not use VECTO except in compliance with the Licence.
 * You may obtain a copy of the Licence at:
-*
+*	
 * https://joinup.ec.europa.eu/community/eupl/og_page/eupl
 *
 * Unless required by applicable law or agreed to in writing, VECTO
@@ -30,5 +30,5 @@
 */
 
 using System.Reflection;
-[assembly: AssemblyVersion("3.3.1.1463")]
-[assembly: AssemblyFileVersion("3.3.1.1463")]
\ No newline at end of file
+[assembly: AssemblyVersion("3.3.1.1492")]
+[assembly: AssemblyFileVersion("3.3.1.1492")]
\ No newline at end of file
diff --git a/VectoCore/VectoCore/Properties/Version.cs b/VectoCore/VectoCore/Properties/Version.cs
index 73620632302561bbde6f9f9d8ea8374efd24155e..cf3ecbad484de160f5ca7cb4a9709965579b56c1 100644
--- a/VectoCore/VectoCore/Properties/Version.cs
+++ b/VectoCore/VectoCore/Properties/Version.cs
@@ -1,7 +1,7 @@
 /*
 * This file is part of VECTO.
 *
-* Copyright © 2012-2019 European Union
+* Copyright © 2012-2017 European Union
 *
 * Developed by Graz University of Technology,
 *              Institute of Internal Combustion Engines and Thermodynamics,
@@ -30,5 +30,5 @@
 */
 
 using System.Reflection;
-[assembly: AssemblyVersion("3.3.1.1463")]
-[assembly: AssemblyFileVersion("3.3.1.1463")]
+[assembly: AssemblyVersion("3.3.1.1492")]
+[assembly: AssemblyFileVersion("3.3.1.1492")]
diff --git a/VectoCore/VectoCore/Utils/VectoVersionCore.cs b/VectoCore/VectoCore/Utils/VectoVersionCore.cs
index 3990ce730700686329c554997937a8a0b40e3776..bf25ede8af2bc902732073544428d8bdb421afce 100644
--- a/VectoCore/VectoCore/Utils/VectoVersionCore.cs
+++ b/VectoCore/VectoCore/Utils/VectoVersionCore.cs
@@ -1,7 +1,7 @@
 /*
 * This file is part of VECTO.
 *
-* Copyright © 2012-2019 European Union
+* Copyright © 2012-2017 European Union
 *
 * Developed by Graz University of Technology,
 *              Institute of Internal Combustion Engines and Thermodynamics,
@@ -47,7 +47,7 @@ namespace TUGraz.VectoCore.Utils
 		public static string VersionNumber
 		{
 			get {
-				return "3.3.1.1463" + SUFFIX;
+				return "3.3.1.1492" + SUFFIX;
 			}
 		}
 
diff --git a/VectoCore/VectoCore/VectoCore.csproj b/VectoCore/VectoCore/VectoCore.csproj
index 1d0d5a390af27312002c9ae512ba3b6646356c8a..79c76a037b6544c50299b29d909e1bfdf498bd4a 100644
--- a/VectoCore/VectoCore/VectoCore.csproj
+++ b/VectoCore/VectoCore/VectoCore.csproj
@@ -76,8 +76,7 @@
     <DebugType>pdbonly</DebugType>
     <Optimize>true</Optimize>
     <OutputPath>bin\Release\</OutputPath>
-    <DefineConstants>
-    </DefineConstants>
+    <DefineConstants>CERTIFICATION_RELEASE</DefineConstants>
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
     <AllowUnsafeBlocks>false</AllowUnsafeBlocks>
@@ -357,6 +356,11 @@
     <Compile Include="Utils\XmlResourceResolver.cs" />
     <Compile Include="Utils\XMLValidator.cs" />
     <Compile Include="Utils\XPathHelper.cs" />
+    <Compile Include="VersionNumber1.cs">
+      <AutoGen>True</AutoGen>
+      <DesignTime>True</DesignTime>
+      <DependentUpon>VersionNumber.t4</DependentUpon>
+    </Compile>
   </ItemGroup>
   <ItemGroup>
     <None Include="app.config" />