Air-cooled engines are simpler, which means cheaper, and actually translates into more reliability. There aren't as many parts that can ... consumers demanded more performance, they were phased ...

the massively popular Volkswagen Type-1 Beetle and the Type-2 VW Microbus or Transporter were powered by a unique air-cooled boxer engine. The Volkswagen air-cooled engine is remembered amongst ...

Introduced in 1957 as a counterpart to the West German VW ... of parts to assemble have helped the engine remain reliable. Thanks to its relatively simple design, Harley-Davidson's air-cooled ...