Exchange rate of the US greenback vis-a-vis the Kuwaiti dinar remained unchanged at KD 0.282 per dollar on Tuesday, and the euro rate went up to KD 0.382, said the daily exchange rate bulletin of the Central Bank of Kuwait. The bulletin said the pound sterling increased to KD 0.459 and the Swiss franc remained unchanged at KD 0.312, whereas the Japanese yen also stood at its long-held notch of KD 0.003.