Emissions measurement is a complicated affair and to ensure repeatability and consistency across the nation, mobile emissions testing laboratories were developed at WVU. These laboratories travel around the country and measure the emissions from heavy duty buses and trucks.
West Virginia University's two Transportable Heavy Duty Emissions Testing Laboratories gather emissions data from vehicle fleets operating on conventional and alternative fuels throughout North America. The Laboratories are fully self contained units that can be transported to and set up at or near the home base of the vehicles to be tested. Emissions tests are performed on site and the vehicle tested is returned to the fleet, usually within one day. The emissions data collected are stored in a data base maintained by the National Renewable Energy Laboratory. The data are also analyzed and published in technical papers and presented at professional society conferences.