Volkswagen was embroiled in an emissions scandal when it was revealed in September 2015 that the company had installed "defeat devices" in 11 million diesel vehicles worldwide to cheat emissions tests. This caused Volkswagen's stock and brand perception to plummet, led to billions in fines and recalls costs, and sparked government investigations and lawsuits. The document provides details on Volkswagen's history and the timeline of events in the scandal, as well as the major financial and reputational impacts on the company and the responses from governments, the media, and consumers.