Vienna - Losing another 1.53 dollars Tuesday, the price for crude oil produced by the Organization of the Petroleum Exporting Countries (OPEC) fell for the seventh day in a row, according to data provided by OPEC on Wednesday.

One barrel (159 litres) of OPEC crude stood at 80.04 dollars Tuesday, compared with 81.57 dollars on the previous day.

OPEC calculates an average basket price based on 13 important brands produced by the cartel's members. (dpa)