The engine, which features a new combustion method, will be used for the first time in the next generation of the A4. (greencarcongress.com)
The pioneering efficiency of the 2.0 TFSI is the result of Audi's Millerized combustion method with shorter compression and longer expansion phases as well as increased compression. (greencarcongress.com)
Mazda says that a proprietary combustion method called Spark Controlled Compression Ignition overcomes two issues that had impeded commercialization of compression ignition gasoline engines: maximizing the zone in which compression ignition is possible and achieving a seamless transition between compression ignition and spark ignition. (thetorquereport.com)