update user manual on vsum file

Documentation/User Manual/5-input-and-output-files/VSUM.md

@@ -11,6 +11,7 @@ The .vsum file includes total / average results for each calculation run in one
 | Status                | [-]                                  | The result status of the run (Success, Aborted)                                                                                                                                                                                                                                                                           |
 | Mass                  | [kg]                                 | Vehicle mass (**Curb Weight Vehicle** + **Curb Weight Extra Trailer/Body**, see [Vehicle Editor](#vehicle-editor))                                                                                                                                                                                                        |
 | Loading               | [kg]                                 | Vehicle loading (see [Vehicle Editor](#vehicle-editor))                                                                                                                                                                                                                                                                   |
+| Cargo Volume          | [m^3]                                | Vehicle cargo volume (Declaration Mode only!)                                                                                                                                                                                                                                                                   |
 | time                  | [s]                                  | Total simulation time                                                                                                                                                                                                                                                                                                     |
 | distance              | [km]                                 | Total traveled distance                                                                                                                                                                                                                                                                                                   |
 | speed                 | [km/h]                               | Average vehicle speed                                                                                                                                                                                                                                                                                                     |
@@ -19,8 +20,8 @@ The .vsum file includes total / average results for each calculation run in one
 | FC-AUXc               | [g/h], [g/km]                        | Average fuel consumption after [Auxiliary-Start/Stop Correction](#fuel-consumption-calculation) (Based on FC-Map)                                                                                                                                                                                                         |
 | FC-WHTCc              | [g/h], [g/km]                        | Average fuel consumption after [WHTC Correction](#fuel-consumption-calculation) (Based on FC-AUXc)                                                                                                                                                                                                                        |
 | FC-AAUX               | [g/h], [g/km]                        | Average fuel consumption after Smart Auxiliary Correction (*still in development*) (Based on FC-WHTCc)                                                                                                                                                                                                                    |
-| FC-Final              | [g/h], [g/km], [l/100km], [l/100tkm] | Final average fuel consumption after ALL corrections. Value for calculation of CO~2~ value. If Loading = 0[kg] the column [l/100tkm] is left empty.                                                                                                                                                                       |
-| CO2                   | [g/km], [g/tkm]                      | Average CO~2~ emissions (based on FC-Final value). Output for [l/100tkm] is empty when Loading = 0[kg].                                                                                                                                                                                                                   |
+| FC-Final              | [g/h], [g/km], [l/100km], [l/100tkm], [l/100m^3km] | Final average fuel consumption after ALL corrections. Value for calculation of CO~2~ value. If Loading = 0[kg] the column [l/100tkm] is left empty.                                                                                                                                                                       |
+| CO2                   | [g/km], [g/tkm], [g/m^3km]           | Average CO~2~ emissions (based on FC-Final value). Output for [l/100tkm] is empty when Loading = 0[kg].                                                                                                                                                                                                                   |
 | P_wheel_in_pos        | [kW]                                 | Average positive power at the wheels                                                                                                                                                                                                                                                                                      |
 | P_fcmap_pos           | [kW]                                 | Average positive power at engine (all non-negative values averaged over the whole cycle duration)                                                                                                                                                                                                    |
 | E_fcmap_pos           | [kWh]                                | Total positive work provided by the combustion engine.  |