THIS MONTH sees Spanish National Railways launch another bid in the European speed stakes for services on conventional lines. On February 16 Renfe puts its 10-strong fleet of Alstom-Fiat Pendolino trains into service on the Madrid - Valencia inter-city run, where they will be branded as Alaris. Timed to cover the 490 km in 3h 30min at an average speed of 140 km/h, six trains a day each way will run at up to 200 km/h. All will call at Albacete, and some at Alc