there are say in two thousand and fourteen this v.w. commercial set out to prove just how clean diesel was with the help of a white scarf day out cleaner there around the same time twenty five healthy young people were taking part in a series of tests for several hours a few times a week they had to breathe in the pollutants nitrogen dioxide the tests were commissioned by the european research group on environmental health a body funded by com a kez v.w. dime led b.m.w. and pumped supply ambush and the results were a relief nitrogen dioxide the study concluded had no negative effects on people an all clear for diesel and a snub to the world health organizations research its conclusion was rather different namely that diesel emissions cause cancer the human tests are a new low point for comic has they follow revelations last week that monkeys were forced to inhale call fumes in two thousand and fourteen something v.w. has since apologized for in two thousand and fifteen the emissions council showed