1.   Higher fuel prices also have been pushing fares up, although changes in world petroleum markets could change that.

2.   In petroleum markets, crude oil was little changed.

3.   One big difference came in his comments on energy prices, which reflect the change in world petroleum markets over the last few months.

4.   The technology has been useful so far only in countries cut off from world petroleum markets.

5.   A disruption of Iraqi oil sales is likely to unsettle the world petroleum market.

6.   Approval of the contracts paves the way for oil to resume flowing from Iraq into international petroleum markets.

7.   Arab oil producers closed a four-day conference on Wednesday with a call for greater regional coordination in dealing with petroleum markets.

8.   At the least, American opposition would likely delay the day when Iraq could return to international petroleum markets.

9.   His illness sent anxiety through petroleum markets and raised speculation about the political future of the desert kingdom, the linchpin of Western policy in the Gulf.

10.   His illness sent jitters through petroleum markets and raised speculation about the political future of the desert kingdom, the linchpin of Western policy in the Gulf.