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Proventia is an environmental technology company providing technologie and services for engines. We develop, engineer and supply exhaust aftertreatment systems for diesel engines. Proventia NOxBUSTER® City DPF+SCR system upgrades Euro 4 and 5 buses up to Euro 6 emission level. Proventia systems are specifically developed for stop-and-go city traffic with low exhaust temperatures. Proventia provides also PROCARE™Drive, a web-based emissions monitoring tool that allows to monitor the performance of the NOxBUSTER® system and the NOx emissions online 24/7 from any PC, tablet or smart phone.