From September 2018, all new cars registered in Europe, India, South Korea and Japan will have to report their official fuel economy and CO2 figures according to the WLTP - the Worldwide harmonised Light Vehicle Test Procedure. In Europe, this replaces the outdated NEDC test (New European Driving Cycle) introduced in the '80s and aims to better reflect the real-world consumption and emissions performance of new cars. In the second part of this two-part article, we take a closer look at the industry's response to the new testing regime.