Arias Pistons 12.5:1 Compression 82mm Bore Honda B-series on 2040-parts.com

Bentley Hybrid setup works across Bentley’s range of engines

You’ll be able to have a hybrid powertrain across Bentley’s range of engines With car makers increasingly hidebound by ever more stringent economy targets, even makers of the world’s most expensive, luxury cars are having to play ball. Which explains why Bentley has decided to go the hybrid route for their cars, with the debut of the Bentley Hybrid, a Mulsanne with the 6¾ litre V8 under the bonnet aided by an electric motor and a bank of batteries, at the Beijing Motor Show. It seems the Bentley hybrid solution – which is claimed to increase power by 25 per cent and improve emissions and economy by 70 per cent – is very similar to that used across the VW Group range, with an electric motor between the engine and transmission fed by a bank of batteries.

One Lap of the Web: Aural delights and a Citro

-- Ayrton Senna positively dominated the 1990 Monaco Grand Prix: he came in with the fastest qualifying lap, started on pole, set the fastest lap, led every single one of them, won the thing, beating rival Alain Prost in the process, then went on to win the 1990 World Championship. The above video was what it's like to ride onboard with the brilliant Brazilian in his McLaren-Honda, which screams like a madman down the Monaco tunnel. -- Five Citro

Audi R8 GT (2010): first news of lightweight R8

Audi has shown the new R8 GT – a limited-edition model to sit atop the R8 supercar family. The GT is 100kg lighter, thanks to some body parts made from carbonfibre and its V10 engine is tuned up to Gallardo-nibbling spec. With 552bhp and 398lb ft, the R8 GT will be considerably faster than the standard R8 5.2 FSI V10.