From my experience, exhaust emissions can be measured by use of a gas analyser, but please be aware that most will provide readings in parts per million and this can be difficult to relate back to the permitted emissions under the European Stage / USA Tier standards. There are companies who will attend site to carry out this service or you can hire an analyser and conduct the test yourself.

CO2 is obviously linked to climate change and there will continue to be a deal of contentious information in the press, quite how these "green squads" will be formed remains to be seen.

In response to the main issue raised above, it is less about the tailpipe emission and more about where the truck is used; even a brand new truck used in a warehouse will eventually cause a problem where there is little or poor ventilation.

In the past, we have worked with Pyroban Envirosafe to reduce our fleet's diesel emissions for H&S reasons. Due to the nature of our business, we are unable to increase the level of ventilation needed in our warehouse so the best option for us was to use retrofit exhaust control equipment to reduce our fleet's CO, HC and smoke emissions.

As far as I know, NOx emissions can be dealt with but I believe the control system would be difficult to fit to an average FLT. Best bet would be to contact Pyroban Envirosafe