Interestingly, the patent also seems to call for something Mazda hasn't built since the Cosmo: a three-rotor Wankel. In the image above, the group of boxes labelled "10" is defined as the drive ...

Mazda’s Iconic SP rotary powered sports car is closing in on production, and according to a patent filing in Japan its Wankel engine will be much more than just a range-extender for an EV ...

Mazda has repeatedly teased—or tortured—Wankel-engine fans with the possibility of a multirotor sports car and then retracted that possibility. Now, new patent applications show the brand is ...

Rejoice, Wankel fans—Mazda is thinking about bringing back the rotary. Granted, we’ve been down this road before and nothing came of it, but this is a different story. The rotary motor likely ...

Last Friday, June 22, 2012, the Wankel rotary engine's last remaining and steadfast devotee, Mazda, produced their final rotary engine in their Hiroshima plant. The Wankel engine never really ...

Mazda announced plans to continue developing Wankel engines as generators for use in their EVs, starting with a new SUV by 2027 ...

The Mazda RX-9 could be back on, and this dual-wheel-motor e-AWD rotary hybrid drivetrain could be the evidence we've been looking for.

The Wankel rotary engine has its issues, most notably with too many emissions, substandard fuel economy, and reliability. In fact, we just posted a video that explains these problems. But a rotary ...

Mazda filed six patents related to rotary engines with the Japanese Patent Office on the same day in June, CarBuzz has discovered. The Wankel rotary engine popularized by Mazda will make its ...

Wankel was an impressively intelligent engineer, especially considering he lacked any university education and was completely self-taught. In 1929 he filed his first patent with engineering that ...

Mazda's rotary design reached its pinnacle with the Renesis engine introduced in the 2003 RX-8, the most powerful, efficient and cleanest naturally aspirated Wankel yet.