Tokyo 2009: The Greening Of Zoom-Zoom With MAZDA

The SKY-D diesel engine: Offers a 20 percent jump in fuel efficiency over the current 2.2 liter. This improvement is achieved by a changed combustion chamber shape and further optimized fuel delivery. A two-stage turbocharger and piezo injectors also help to improve fuel economy. According to Mazda, this engine installed in a Mazda6 could return fuel economy figures comparable to a Mazda2. Caption & Image Credit: Automobile Magazine