Nick founded Emissions Analytics in 2011 to understand real-world emissions and fuel economy and emissions from vehicles, which evolved into understanding the holistic environmental impact of vehicles on air, soil and water, from tyre wear rates to volatile organic compound emissions. 

Nick is chairman of the European standardisation CEN Workshop 90 on collecting real driving tailpipe emissions data, which led to the publication of the AIR Index.  He is lso chairman of CEN Workshop 103 on standardising the measurement of vehicle interior air quality, and is an Honorary Senior Research Fellow at Imperial College London.