Shipbuilders Incat Tasmania has begun construction of what they claim will be the world’s largest electric ferry boat. The 130-meter-long unit has been ordered by Buquebús, the company offering passenger services between Buenos Aires and the Uruguayan ports of Colonia and Montevideo through the Río de la Plata. It will have room for 2,100 travellers and 226 vehicles, it was reported. Buquebus is owned by Argentine Juan Carlos López Mena Plans for the ninth Incat vessel to join the Buquebus fleet were…