Consumer goods giant Unilever is stepping up new product launches to drive growth as it raises prices to offset commodity cost hikes and struggles with sluggish economies in Europe and North America.  The Anglo-Dutch maker of Hellmann's mayonnaise and Knorr soups gets a third of its turnover from products launched in the last two years, and claims its pipeline for new products is full and will be rolled out irrespective of market conditions.
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