public Vehicle(int i, string b, string m, string y, string r)
{
id = i;
brand = b;
model = m;
year = y;
reg = r;
journey = new Journey();
service = new Service();
fuelPurchase = new FuelPurchase();
perKmRental = new PerKmRental();
}
public void addfuel(double t)
{
fuelPurchase = new FuelPurchase(t);
}