Compliance of atmospheric waste-to-energy emissions with legally established limits in Legislative Decree no. (optimal values < 100%), details per plant Significant improvements in these results were obtained with the completion of new plants: in fact, the Ferrara and Forlì plants, started up in 2008 and 2009 respectively, and the Rimini plant in October 2011 following the definitive shutdown of the old lines, recorded the best results.