Volkswagen has been busy of late making noise with its super-frugal, super-clean, ultra-low emissions BlueMotion diesel powertrain, but it hasn't been neglecting petrol power either.
We've sampled the first generation of VW's TSI technology which mates a supercharger and a turbocharger in one unit to generate 2.0-litre power and 1.6-litre economy from a 1.4-litre engine, and now the next-generation of such powerplants is being made ready.
The new 1.4 TSI has 120bhp, and makes do with just a turbo, doing away with the superchager. When fitted with the all-new seven-speed DSG gearbox, VW claims it will average better than 48mpg and return ultra-low emissions. Expect to see it first in the all-new Polo, due in 2009.
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