In 2015, the United States Environmental Protection Agency (EPA) issued a notice of violation of the Clean Air Act to Volkswagen Group, alleging that the company had installed illegal software on certain diesel engines to cheat emissions tests. The software would detect when the car was undergoing testing and reduce the emissions to meet legal standards, but during normal driving, the emissions were much higher than permitted.
The scandal affected millions of vehicles worldwide, and Volkswagen ultimately had to pay billions of dollars in fines and compensation to affected customers. The company's reputation was severely damaged, and several executives were charged with criminal offenses.
The Volkswagen emissions scandal is one of the most significant examples of a company knowingly deceiving customers and regulators for financial gain, and it has had far-reaching consequences for the automotive industry as a whole. It highlights the importance of transparency and honesty in the industry, and the need for stricter regulations to prevent similar incidents from happening in the future.