Cambustion is able to measure emissions from fleet vehicles as well as evaluating any emission reduction programs such as aftertreatment retrofit schemes.
We have found real world benefits of such schemes can be greatly different to expected benefits however, we are able to advise on usage cases to improve in-service compliance.
The video linked below was generated during the tailpipe measurement of a representative Euro 6 passenger bus. Note the high concentrations emitted during the pull-away from the bus stop, thus exposing waiting passengers to highly polluting exhaust gases.
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