( dpa ) - The price for oil produced by the Organization of Petroleum Exporting Countries (OPEC) on Tuesday continued its slight downward trend, OPEC said on Wednesday.
One barrel, or 159 litres, of crude oil produced by members of the 13-state cartel stood at 91.94 dollars on Tuesday, down 7 cents compared with the previous day.
OPEC calculates its basket price on the basis of twelve important brands produced by its members.