The issue of crude oil prices came up a lot during the recent National Association of Printing Ink Manufacturers (NAPIM) Annual Convention. Ink industry executives are finding themselves explaining to their printing customers that the drop in the cost of crude oil does not have a huge impact on the actual cost of printing inks.  As industry leaders note in my story on “The Impact of Lower Crude Oil Costs on Printing Inks,” which begins on page 16, the significantly lower cost of crude oil doe...