diff --git a/FuelAndLubricants/FuelAndLubricants/Entities/Car.cs b/FuelAndLubricants/FuelAndLubricants/Entities/Car.cs
index 139ce94..5257fab 100644
--- a/FuelAndLubricants/FuelAndLubricants/Entities/Car.cs
+++ b/FuelAndLubricants/FuelAndLubricants/Entities/Car.cs
@@ -8,10 +8,10 @@ public class Car
     public string Car_Mark { get; private set; } = string.Empty;
     public string Car_Model { get; private set; } = string.Empty;
     public Car_Type Car_Type { get; private set; }
+    public Driver_License License { get; private set; }
     public float Consumption_Rate { get; private set; }
-    public int Fuel_ID { get; private set; }
 
-    public static Car CreateEntity (int car_ID, string car_mark, string car_model, Car_Type car_type, float consumption, int fuel_id)
+    public static Car CreateEntity (int car_ID, string car_mark, string car_model, Car_Type car_type, Driver_License license, float consumption)
     {
         return new Car
         {
@@ -19,8 +19,8 @@ public class Car
             Car_Mark = car_mark ?? string.Empty,
             Car_Model = car_model ?? string.Empty,
             Car_Type = car_type,
-            Consumption_Rate = consumption,
-            Fuel_ID = fuel_id
+            License = license,
+            Consumption_Rate = consumption
         };
     }
 }
diff --git a/FuelAndLubricants/FuelAndLubricants/Entities/Refill.cs b/FuelAndLubricants/FuelAndLubricants/Entities/Refill.cs
new file mode 100644
index 0000000..a67ff0b
--- /dev/null
+++ b/FuelAndLubricants/FuelAndLubricants/Entities/Refill.cs
@@ -0,0 +1,22 @@
+namespace FuelAndLubricants.Entities;
+
+public class Refill
+{
+    public int Refill_ID { get; private set; }
+    public DateTime Refill_Date { get; private set; }
+    public float Refill_Amount { get; private set; }
+    public int Fuel_ID { get; private set; }
+    public int Car_ID { get; private set; }
+
+    public static Refill CreateOperation(int refill_ID, DateTime refill_date,  float refill_amount, int fuel_id, int car_id)
+    {
+        return new Refill
+        {
+            Refill_ID = refill_ID,
+            Refill_Date = refill_date,
+            Refill_Amount = refill_amount,
+            Fuel_ID = fuel_id,
+            Car_ID = car_id
+        };
+    }
+}
diff --git a/FuelAndLubricants/FuelAndLubricants/Entities/Route.cs b/FuelAndLubricants/FuelAndLubricants/Entities/Route.cs
index 25af9ec..3087552 100644
--- a/FuelAndLubricants/FuelAndLubricants/Entities/Route.cs
+++ b/FuelAndLubricants/FuelAndLubricants/Entities/Route.cs
@@ -4,7 +4,7 @@ public class Route
 {
     public int Route_ID { get; private set; }
     public string Start_Point { get; private set; } = string.Empty;
-    public string End_Point { get; private set;} = string.Empty;
+    public string End_Point { get; private set; } = string.Empty;
     public float Route_Length { get; private set; }
 
     public static Route CreateEntity (int route_id, string start_point, string end_point, float length)
diff --git a/FuelAndLubricants/FuelAndLubricants/Entities/Trip.cs b/FuelAndLubricants/FuelAndLubricants/Entities/Trip.cs
index 218d322..1a7dd80 100644
--- a/FuelAndLubricants/FuelAndLubricants/Entities/Trip.cs
+++ b/FuelAndLubricants/FuelAndLubricants/Entities/Trip.cs
@@ -13,7 +13,7 @@ public class Trip
     public int Driver_ID { get; private set; }
     public int Route_ID { get; private set; }
 
-    public static Trip CreateEntity(int trip_id, DateTime start_date, DateTime end_date, Shift shift, float consumption, int car_id, int driver_id, int route_id)
+    public static Trip CreateOperation(int trip_id, DateTime start_date, DateTime end_date, Shift shift, float consumption, int car_id, int driver_id, int route_id)
     {
         return new Trip
         {
diff --git a/FuelAndLubricants/FuelAndLubricants/Repositories/ICarRepository.cs b/FuelAndLubricants/FuelAndLubricants/Repositories/ICarRepository.cs
index 86c62e5..a4d9d34 100644
--- a/FuelAndLubricants/FuelAndLubricants/Repositories/ICarRepository.cs
+++ b/FuelAndLubricants/FuelAndLubricants/Repositories/ICarRepository.cs
@@ -10,7 +10,7 @@ public interface ICarRepository
 
     void CreateCar(Car car);
 
-    //void UpdateCar(Car car);
+    void UpdateCar(Car car);
 
     void DeleteCar(int id);
 }
diff --git a/FuelAndLubricants/FuelAndLubricants/Repositories/IRefillRepository.cs b/FuelAndLubricants/FuelAndLubricants/Repositories/IRefillRepository.cs
new file mode 100644
index 0000000..ca33f73
--- /dev/null
+++ b/FuelAndLubricants/FuelAndLubricants/Repositories/IRefillRepository.cs
@@ -0,0 +1,12 @@
+using FuelAndLubricants.Entities;
+
+namespace FuelAndLubricants.Repositories;
+
+public interface IRefillRepository
+{
+    IEnumerable<Refill> ReadRefills();
+
+    Trip ReadRefillByID(int id);
+
+    void CreateRefill(Refill refill);
+}
diff --git a/FuelAndLubricants/FuelAndLubricants/Repositories/IRouteRepository.cs b/FuelAndLubricants/FuelAndLubricants/Repositories/IRouteRepository.cs
index 8810642..7a5ee9b 100644
--- a/FuelAndLubricants/FuelAndLubricants/Repositories/IRouteRepository.cs
+++ b/FuelAndLubricants/FuelAndLubricants/Repositories/IRouteRepository.cs
@@ -10,7 +10,7 @@ public interface IRouteRepository
 
     void CreateRoute(Route route);
 
-    //void UpdateRoute(Route route);
+    void UpdateRoute(Route route);
 
     void DeleteRoute(int id);
 }
diff --git a/FuelAndLubricants/FuelAndLubricants/Repositories/ITripRepository.cs b/FuelAndLubricants/FuelAndLubricants/Repositories/ITripRepository.cs
index 87c847b..0f68261 100644
--- a/FuelAndLubricants/FuelAndLubricants/Repositories/ITripRepository.cs
+++ b/FuelAndLubricants/FuelAndLubricants/Repositories/ITripRepository.cs
@@ -9,8 +9,4 @@ public interface ITripRepository
     Trip ReadTripByID(int id);
 
     void CreateTrip(Trip trip);
-
-    //void UpdateTrip(Trip trip);
-
-    void DeleteTrip(int id);
 }