I have just seen this item on the car.kak.net website...
Audi compact hatchback is first in premium sector to combine automatic transmission with economy focused start-stop function. Automatic versions of the latest economy focused Audi A3 models are the first in the premium sector to benefit from the latest engine start-stop technology, which has already helped to cut emissions in manual transmission TDI versions to a sector-leading 109g/km. The new highly efficient 1.4 TFSI petrol and 1.6 TDI versions of the A3 equipped with the acclaimed S tronic twin-clutch automatic transmission will spearhead the new technology, which also goes hand-in-hand with a recuperation system to harness braking energy.
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