Mercedes W111 220 Knect Fl7043/16 Oil Dipstick on 2040-parts.com

Volvo gives T6 engine the Polestar treatment

Just weeks after announcing its Polestar performance kits for the T5-engined cars, Volvo is now offering packages for the XC60, S60 and XC70 models fitted with its turbocharged six-cylinder engine. The T6 Polestar software package adds 25 hp and 30 lb-ft of torque, bringing totals to 325 hp and 355 lb-ft, respectively. Volvo says the added power won't result in greater fuel consumption, as the tuning of the engine only increases power when needed--though we'd imagine most drivers will feel the need often enough to significantly affect mileage.

Renault Twin-Z concept (2013) first official pictures

This is the Renault Twin-Z concept (say it 'Twin-Zee'). Although it packs the usual concept car madness of suicide doors, a pared-back cabin and LEDs everywhere, it actually previews the look – and drivetrain – of the next Renault Twingo. The big news is that it'll be rear-engined, rear-drive, and offer an electric option for less money than the £13k Renault Zoe EV.

Audi E-tron electric concept at 2009 Frankfurt motor show

By Ben Pulman First Official Pictures 15 September 2009 12:00 This is the Audi E-tron concept car, an electric version of Ingolstadt’s R8 supercar. Unveiled at the 2009 Frankfurt motor show it has four electric motors driving all four wheels, and produces a staggering 3319lb ft. This new Audi E-tron produces over three times more torque than a Bugatti Veyron?