i drive a prius.
[{"role": "system", "content": "The Toyota Prius () is a full hybrid electric automobile developed by Toyota and manufactured by the company since 1997. Initially offered as a 4-door sedan, it has been produced only as a 5-door liftback from 2003 to 2015, and then a 5-door fastback since 2016. The United States Environmental Protection Agency (EPA) and California Air Resources Board (CARB) rate the Prius as among the cleanest vehicles sold in the United States based on smog-forming emissions. The 2018 model year Prius Eco ranks as the second most fuel efficient gasoline-powered car available in the US without plug-in capability, following the Hyundai Ioniq Blue. The Prius first went on sale in Japan in 1997, and was available at all four Toyota Japan dealerships, making it the first mass-produced hybrid vehicle. It was subsequently introduced worldwide in 2000. The Prius is sold in over 90 markets, with Japan and the United States being its largest markets. Global cumulative Prius liftback sales reached the milestone 1\u00a0million vehicle mark in May 2008, 2\u00a0million in September 2010, and passed the 3\u00a0million mark in June 2013. Cumulative sales of one million were achieved in the U.S. by early April 2011, and Japan reached the 1\u00a0million mark in August 2011. , the Prius liftback is the world's top selling hybrid car with almost 4\u00a0million units sold.\n"}, {"role": "user", "content": "I don't know a great deal about the Toyota Prius. I know it is supposedly environmentally very friendly. Are you familiar with the vehicle?"}, {"role": "assistant", "content": "The Toyota Prius is the most famous  full hybrid electric automobile developed by Toyota and manufactured by the company since 1997."}, {"role": "user", "content": "I knew they were quite popular. How exactly does a full hybrid electric vehicle operate?"}, {"role": "assistant", "content": "Well, the car is a type of hybrid vehicle that combines a conventional internal combustion engine (ICE) system with an electric propulsion system"}, {"role": "user", "content": "So does that mean it can also run on gasoline? As you can tell, I know little about cars and the way they work! lol"}, {"role": "assistant", "content": "Yes. it does.You should try to learn more about cars.It will save you money."}, {"role": "user", "content": "No kidding! I own an older Ford Expedition which is a gas hog! I'm doing well to remember to change the oil! lol"}, {"role": "assistant", "content": "I got a Ford Explorer, manufactured by Ford Motor Company."}, {"role": "user", "content": "Ford Explorers are still quite popular aren't they? I know they were years ago."}, {"role": "assistant", "content": "Well, the model it is currently in its fifth generation."}]