De Roo is also a member of ECOSTARS. ECOSTARS is a European qualification system for sustainable carriers of cargo and people, situated or operating in the region of Rotterdam. The goal is to improve the air quality in Rotterdam and surrounding areas and to help reduce fuel consumption of carriers. ECOSTARS makes a distinction between the best carrier-organizations regarding sustainability with the use of stars, where the best carrier has most stars. At this moment, De Roo has 4 out of 5 stars! You can find more information here.