Environmental issues are now more than ever shaping decisions that governments make when it comes to road building which means contactors have to prove their credentials. For that reason alone sales of the combined polymer and crumb rubber onsite bitumen plant the Italian family business Massenza have been doing well in Europe, said Diego Massenza, who has been in the business for 15 years and is now general manager. The plant was developed by Massenza, a 70-year-old company based in Bologna, around 2010, a