Glass disposal in big cities is a very noisy problem, and typically occours at night or during first hours of sunrise when citizens are enjoying their best sleep. Over the years, no efficient solution has been found since the collecting trucks must resist long hours of operation and corrosive environment such as glass waist and liquids, therefore no standard acoustic solution as foams or wools worked out.Phononic Vibes together with A2A – AMSA, Milano disposal and recycling company, has solved this problem by introducing a metamaterial functionalized steel layer which can cut out the metal vibration and noise emission, leading to overall reduction of 16 dBA of the noise emission.