1. A former VW chief will pay the automaker $13.7 million over its emissions scandal;The New York Times,2021
2. Amelang, S., & Wehrmann, B. (2019). “Dieselgate” – A timeline of the car emissions fraud scandal in Germany. Retrieved November 13, 2019, from https://www.cleanenergywire.org/factsheets/dieselgate-timeline-car-emissions-fraud-scandal-germany
3. Barrett, S., Speth, R., Eastham, S., Dedousi, I., Ashok, A., Malina, R., & Keith, D. (2015). Impact of the Volkswagen emissions control defeat device on U.S. public health. Environmental Research Letters. Retrieved November 13, 2019, from http://bit.ly/2WyLLIP
4. Boston, W., & Michaels, D. (2019, March 15). SEC charges Volkswagen with defrauding U.S. bond investors; SEC says German auto maker raised billions of dollars while making deceptive claims about environmental impact of ‘clean diesel’ fleet. Wall Street Journal. Retrieved November 13, 2019, from https://www.wsj.com/articles/sec-charges-vw-ex-ceo-winterkorn-with-defrauding-u-s-bond-investors-11552628487
5. Chossière, G., Malina, R., Ashok, A., Dedoussi, I., Eastham, S., Speth, R., & Barrett, S. (2017). Public health impacts of excess NOx emissions from Volkswagen diesel passenger vehicles in Germany. Environmental Research Letters. Retrieved November 13, 2019, from http://bit.ly/2KGpdyk