Change is constant, and North American food manufacturers are determined to make sure that the performance in their plants is better tomorrow than it is today. That is one of the key findings in this year's State of Food Manufacturing Study, a survey measuring the pulse of the industry, first undertaken by Food Engineering in 1980. The concern with continuous improvement is virtually universal, based on responses to a new question on how survey respondents' organizations are addressing this need. Given a list of eight options, none of the 186 food professionals who answered the question selected, "No program in place."