Air-cooled and liquid-cooled engines offer different advantages in performance, maintenance and efficiency. Here's how the two systems compare and which type is better suited for Indian riding ...

One of the most hotly debated topics among Porsche enthusiasts is which is better: the air-cooled or water-cooled 911. The sports automaker had used an air-cooled engine across multiple generations of ...

Few debates within a single marque's fan base run as deep as the divide between air-cooled and water-cooled Porsche ...

A heavily camouflaged test mule of the upcoming Hero Xpulse 421 has been seen again in a new spy video, revealing several new details. The sighting provides the clearest look yet ...

Porsche could be reviving an old technology for its future internal combustion engines. New patent filings suggest Zuffenhausen’s finest may be resorting back to air-cooling for its future mid- and ...

An image of a HD bike engine with cooling fins - DiPres/Shutterstock It's no secret that Harley-Davidson is one of the biggest-selling American-made motorcycle manufacturers. After all, since its ...