Mixture preparation
Exhaust gas recirculation
Exhaust gas recirculation (EGR) is a tried and tested method of reducing harmful substances. A defined quantity of exhaust gas is removed at the exhaust manifold and mixed back in with the intake air...
Multi-point fuel injection
Multi-point fuel injection is a fuel-injection variant for internal combustion engines.
Diesel injection system
Modern diesel engines must meet strict requirements. Drivers expect high power and torque values, low fuel consumption and quiet engine running. Furthermore, diesel engines must meet the strict...
Secondary air system
In petrol engine vehicles, secondary air injection is a proven method of reducing harmful substance emissions during cold starting. A petrol engine needs a "rich mixture" for reliable cold starting...