SINGAPORE – The results of a six-year case study with Portuguese knitwear producer Acabamentos Têxteis de Barcelos (ATB) that measured the sustainability benefits of Huntsman’s ‘Gentle Power Bleach’ system – which uses DuPont’s bio-based PrimaGreen enzymes – has shown real-time significant reductions in water, chemical and energy use as well as increases in textile product quality and yield.