Yanmar is another reputable Japanese company offering small, air-cooled diesel engines. This comes as quite a surprise given ...

For decades, 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 ...

local authorities and clean air campaigners for eroding consumer confidence. They insist that modern diesel engines are actually very clean and the health risks have been overstated. They also say ...