The belt-driven supercharger operates at low engine speeds, with the exhaust-driven turbocharger
coming in as the engine speed increases.
While turbocharging is commonly used to boost the power and torque output of diesel engines, Volkwagen (Wolfsburg, Germany) uses an exhaust-driven turbocharger
mainly to provide sufficient excess air for cleaner combustion over the entire engine operating range.
4 litre petrol engine coupled with an engine-driven supercharger and an exhaust-driven turbocharger
that delivers around 180bhp coupled with a second-generation seven-speed DSG gearbox.
9L, 6-cylinder, double overhead cam, twin exhaust-driven turbochargers
with intercoolers engine gave great balance to the driving experience.