US ties, Vineyard said. Justin R. Swift, assistant energy secretary for international affairs, highlighted the significance of the mission's US visit as it came from the world's largest exporter of oil. During his visit, Crown Prince Abdullah invited American businessmen to invest in Saudi Arabia, especially in its gas and mining sectors. "Economic reforms in the Kingdom have created a new investment-friendly environment that welcomes investors," he told a reception held in his honor by the Saudi-American Business Council (SABC). --MORE 1102 Local Time 0802 GMT