Taipei: The U.S. dollar experienced a significant rise against the Taiwan dollar on Tuesday, closing at NT$30.455, which marks an increase of NT$0.139 from its previous position.According to Focus Taiwan, the trading session saw a total turnover of US$1.47 billion. The U.S. dollar began the day at NT$30.310 and fluctuated between NT$30.255 and NT$30.460 before the market closed.