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Proventia is an engine and vehicle technology company. We develop, engineer and supply exhaust aftertreatment systems for diesel engines and vehicles. Our world-leading retrofit solution Proventia NOxBUSTER® City DPF+SCR system upgrades Euro 4 and 5 buses up to Euro 6 emission level. Proventia NOxBUSTER® City systems are specifically developed for real urban driving with low exhaust temperatures. Proventia provides also PROCARE™Drive, a web-based emissions monitoring tool that allows to monitor and report the performance of the NOxBUSTER® system and the NOx emissions online 24/7 from any PC, tablet or smart phone.