PRESS RELEASE: 83 MPG, 89 G/KM OF CO2: INTRODUCING THE GOLF TDI HYBRID CONCEPT ***EDITOR'S NOTE - MPG figures described are in Imperial gallons*** The challenge: to create a viable, highly-efficient family vehicle capable of emitting less than 90 g/km of CO2. The Volkswagen engineers' solution, unveiled on the eve of the Geneva Motor Show, combines an advanced diesel engine with an electric motor and the very latest generation of seven-speed DSG…