The recent allegations that researchers funded by the German car industry tested the effects of diesel fumes on humans and monkeys has raised serious questions about research ethics in the corporate world.

These tests were carried out by scientists on behalf of the now-disbanded European Research Group of Environment and Health in the Transport Sector (EUGT), which was funded by Volkswagen, Daimler and BMW. The aim was to observe and record the pollutant effect of emissions from diesel cars