What is aircar?

As an AI language model, I do not have current information about an "aircar" since I do not have access to real-time data. However, historically, aircars or flying cars have been a conceptual idea for decades and still are in developmental stages. Some companies are currently working on developing functional prototypes, while legal limitations and safety considerations still hinder the possibility of them becoming widely available. Aircars are expected to provide faster, more efficient transportation and reduce traffic congestion on the ground. They may operate on electric or hybrid engines and have vertical take-off and landing capabilities.