Lotus will reveal the Emeya electric sedan on Sept. 7

Lotus is about to launch its first sedan since the Carlton of the early 1990s. The British performance marque late on Tuesday released a teaser video depicting a sleek four-door model to be called the Emeya. Code-named the Type 133 and previously rumored to be called an Envya, the Emeya will make its debut on Sept. 7 as a sedan powered by…