Tools and techniques for determining conditions of conferences are described herein. Use of balsalazide, a 4-ASA or 5-ASA compound modified to include a 4-ABA side chain, or a salt or derivative thereof, for the manufacture of a medicament for the treatment or prophylaxis of non-inflammatory bowel diseases, diarrhoea-pre-dominant Irritable Bowel Syndrome or other non-specific bowel disorder is also disclosed. The invention is characterized in that, upon shifting, the heat engine is started before, during or after the torque observable on the shaft of the electrical machine is canceled, by means of a starter system mechanically independent of the electrical machine.