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": "assistant", "content": "My spouse and I really enjoy our hybrid Toyota Prius. Have you ever ridden in or drove one?"}, {"role": "user", "content": "I have. Does your Prius get good fuel economy?"}, {"role": "assistant", "content": "It gets about 50 miles per gallon which is great and has been rated by the EPA as one of the cleanest cars on the road in terms of emissions."}, {"role": "user", "content": "That is awesome! How are the maintenance expenses compared to a non-hybrid car?"}, {"role": "assistant", "content": "In terms of the short term maintenance rather comparable. It is only later when you have to think about changing out the electric battery that it gets expensive."}, {"role": "user", "content": "I see. Generally how long do Prius batteries last?"}, {"role": "assistant", "content": "In terms of the battery that is charged by the electric generator in these vehicles, the early models only lasted five or so years. The more current ones are projected to last a little over a decade."}, {"role": "user", "content": "That is quite a long time. Many people don't even keep their cars that long. It is amazing how far the hybrid technology has come."}, {"role": "assistant", "content": "I tell my spouse that the only people who need a car that long are car mechanics. It is amazing how far it has come. We are hoping to get a Chevy Volt in a few years to go full electric."}, {"role": "user", "content": "Will you get a tax rebate for buying a Chevy Volt?"}, {"role": "assistant", "content": "Previously, you would have. I am not sure what the current status of tax rebates are for the Volt."}]