As automotive engineers push back the boundaries of combustion, an increasing number of studies are being carried out in the virtual world. The use of in-cylinder computational fluid dynamics (CFD) provides insight on what is happening as the combustion process takes place, shedding new light on everything from thermal efficiency to pollutant formation. Software developer Convergent Science was formed in 1997 by a group of combustion specialists. The company's Converge CFD code has been developed with combustion simulation in mind. Convergent Science's director of global marketing, Rob Kaczmarek, gives us his take on what the future holds for combustion modelling.