The Canadian dollar was easing back again on Thursday morning. The loonie was at US$0.7417 or US$1=C$1.3483 as of 8:31 a.m. CDT, compared to US$0.7423 or US$1=C$1.3472 on Wednesday. The United States Dollar Index increased 0.29 of a point at 101.38. U.S. economic growth, fewer stockpiles and a partial halt in Libyan production caused crude