Return of the rotary: Mazda unveils RX-Vision concept in Tokyo

Mazda seems to be quite literally doubling down on sports cars — and the rotary engine. With the unveiling of the RX-Vision concept that was unveiled Tuesday at the Tokyo Motor Show, the Japanese carmaker embraces the two automotive trends that seem to be going the way of the polar bear.

A quick background on what I mean here: Rotary engines — also known as Wankel engines — had long been deemed impractical, as their triangular design presented many issues like excessive oil consumption. Despite this, Mazda ran with the engine technology and sent it into production beginning back in 1967 with its 110S model. Read more...