Germany, March 18 -- Heidenheim-based global technology group Voith is constantly expanding its product range in the marine segment. Having supplied more than 1,000 conventional Voith Water Tractors (VWT) and the first models with hybrid drive system, Voith was now also substantially involved in the development of two new VWTs type TRAktor V3900-DF with dual-fuel drives. In an efficient combination with two likewise newly developed Voith Schneider Propellers in each vessel, the water tractors will be powered by LNG (liquefied natural gas) and diesel and controlled by the innovative Voith Electronic Control System (ECS).The customer and initiator of this extremely ambitious pilot project is Bota? Petroleum Pipeline Corporation, one of the la...