HYDERABAD: Tata Motors, one of top automotive companies in India, plans to expand its portfolio of commercial vehicles run by alternative fuel, said the company’s top official. Speaking at an event organised to launch three pick-up trucks, the Yodha 2.0, Intra V20 bi-fuel and Intra V50, Tata Motors executive director Girish Wagh said, “Transition to zero-emission vehicles is an irreversible …