In the high-stakes world of import drag racing, a new king has been crowned. As of early 2026, the “Grey Bullet” 2021 Mazda RX-9 has officially set the record for the quickest rotary car in the world, ...

There are many different forms of internal combustion engines, but most use the same basic principle. Explosions in the combustion chamber move pistons up and down to spin a crankshaft. That ...

A new kind of car has joined the five-second quarter-mile club. It’s a Mazda 13B-powered racer nicknamed the “Grey Bullet.” ...

Or engines that brands made famous. It's hard to tell sometimes.

Antonio is a chemical engineering student pursuing his master's degree in chemical engineering and sustainable processes. Throughout his academic journey, he has gained substantial knowledge in areas ...

Think you know everything about rotary engines? Well have you ever heard of the bi-rotary engine that mixes pistons and ...

Japanese automaker Mazda discontinued its trademark pistonless rotary engine in 2012. That's also when the RX-8 quad coupe was canned with no successor in sight. Everyone and their dog hoped that the ...