Mazda is the seventeenth-largest car maker in the world with around 1.5 million cars produced in 2016. Most of them were produced in Japan. It is also the only car maker that mass-produced cars using a rotary engine. As part of my Grand Tour of Japanese Automotive Plants, I visited their main Hiroshima plant in January 2018 (one of three Mazda plants in Japan). Here’s what I found: