<human>:  What is the difference between an Insight and a Corolla?
<bot>: The main difference between an Insight and a Corolla is that the Insight is a hybrid vehicle that is powered by both a gasoline engine and an electric motor. The Corolla, on the other hand, is powered solely by a gasoline engine. The Insight has better fuel economy than the Corolla and produces less emissions. Additionally, the Insight is a hatchback while the Corolla is a sedan.