/* this railroad vehicle is now compatible only with elrail,

				 *  so add there also normal rail compatibility */

				t->compatible_railtypes |= RAILTYPES_RAIL;

				t->railtype = RAILTYPE_RAIL;

				SetBit(t->flags, VRF_EL_ENGINE_ALLOWED_NORMAL_RAIL);

			}

		}

	}

	/* Fix the total power and acceleration for trains */

	FOR_ALL_TRAINS(t) {

		/* power and acceleration is cached only for front engines */

			TrainPowerChanged(t);

			UpdateTrainAcceleration(t);

		}

	}

	FOR_ALL_COMPANIES(c) c->avail_railtypes = GetCompanyRailtypes(c->index);

	/* This resets the _last_built_railtype, which will be invalid for electric

	 * rails. It may have unintended consequences if that function is ever

	 * extended, though. */

	ReinitGuiAfterToggleElrail(disable);

	return true;