Advanced concepts for future light-duty diesel engines

Kapitel i bok, 2009

Future diesel engines for passenger cars will have to meet increasingly stringent exhaust emissions legislation and be more efficient in order to reduce CO2 emissions. The most difficult challenges are to meet US Tier 2 regulations, which will impose limits of 0.07 g/m NOx and 0.01 g/m PM, and the requirements of the US06 Supplemental Federal Test Procedure for low NOx emissions at high load. To cope with the increasingly stringent emissions legislation new technologies must be introduced. The chapter describes possible new technologies, such as new combustion concepts, future fuel injection systems, advanced charging and EGR systems and after-treatment systems needed for meeting the future requirements.