For manufacturers of waxes, solvents and additives, 2008 was a mixed year. On the one hand, it was challenging, as the economic downturn combined with higher raw material costs pushed hard on the bottom line. However, on the positive side, the growing interest in “green” chemistries are offering new opportunities for growth.     “Lubrizol’s wax and additives lines have done well in 2008 and we expect another good year in 2009,” said Carol Durgan, regional marketing manager, ...