1) In September 2015, Volkswagen was discovered to have rigged emissions tests on their diesel vehicles by programming the vehicles to emit less nitrogen oxide during laboratory tests than during normal driving.
2) Volkswagen did this to comply with strict US emissions regulations, as diesel engines naturally emit more nitrogen oxide than gasoline engines.
3) The scandal had major economic impacts for Volkswagen, including decreased sales, a $1.84 billion net loss, and a drop in stock price that reduced the company's market value by $16.9 billion.
4) A settlement was reached where Volkswagen would pay $2.7 billion for environmental mitigation and promote zero emissions vehicles, and owners could