Porsche made the move from air-cooled to water-cooled engines for the 911 in 1997. Here's what pushed the German automaker to leave decades of tradition behind.

Motorcycle engines live and die by how well they shed heat, and the choice between liquid and air cooling shapes everything ...

Genesis works full-time as a trainer of writers, but he's also a full-time automotive enthusiast. If it has wheels and looks pretty, he's all over it. While he loves European cars more than other cars ...

Many Porsche “purists” reflect forlornly upon the 1997, 5 th generation, 996 version of the iconic 911 sports car. It was the first year of the water-cooled engine versions of the 911, which had ...

Forbes contributors publish independent expert analyses and insights. Robert Rapier is a chemical engineer covering the energy sector. BRUSSELS, BELGIUM - JANUARY 13: Toyota Mirai hydrogen fuel cell ...

Air-cooled engines were once commonplace in the auto and moto industries. The most well-known were the Porsche flat six, VW flat four, Corvair, and numerous motorcycle engines, from BMW to ...

If you are not at least moderately informed about how engines work, you may still be aware that they all require water, or antifreeze, in order to function. It is true that some form of coolant is ...

Cooling fins are an iconic feature of motorcycle design. These blades made their mark early, with their parallel lines encircling the cylinders of classic bikes from day one. Whether on the striking V ...