 General Motors put millions of cars on the road that are not following the rules. Now it's going to cost them millions of dollars. I'm Brandon Van Miller on business. The National Highway Traffic Safety Administration says that certain GM cars from the 2012 to 2018 model years do not comply with federal fuel economy requirements. Basically, they're emitting more than 10% more carbon dioxide on average than the company's testing claim. That's according to the Environmental Protection Agency. However, there are so many of these cars on the road...