2004 Gas-Electric Insight Japan 
Green Car Congress
MARCH 2, 2009
With the replacement of the engine’s belt-driven water pump, all engine coolant pumps are now electrically operated, reducing mechanical losses and providing engine coolant flow rate control independent of engine RPM at all times. An exhaust gas recirculation (EGR) system has also been added. Click to enlarge. Click to enlarge.
Green Car Congress
NOVEMBER 17, 2015
TDI quattro plug-in hybrid ( earlier post ); the Audi A7 h-tron quattro fuel cell vehicle ( earlier post ); the Audi e-tron quattro concept battery-electric SUV ( earlier post ); the Audi TT clubsport turbo concept ( earlier post ); the Audi RS 5 TDI competition concept ( earlier post ); and the Audi R18 e-tron quattro ( earlier post ).
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