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

Koenigsegg Agera R: Official

Koenigsegg Agera R - confirmed for Geneva We discovered last month that one of only two Koenigsegg Agera’s so far delivered had been turned in to a Koenigsegg Agera R – with extra horses and extra Koenigesegg goodness – for a member of the Oman Royal Family. After a few phone calls we were also able to exclusively reveal that Christian von Koenigesegg liked what he’d done to the Agera so much, the Koenigsegg Agera R was to be turned in to a production model and would turn up at the Geneva Motor Show. And so it is.

Mercedes Electric Drive B-Class at Paris 2012

Mercedes has revealed an electric version of the new B-Class – the B-Class Electric Drive Concept – which will debut at Paris 2012. Mercedes has revealed the electric B-Class in the guise of the B-Class Electric Drive Concept – a name Mercedes say will find its way on to the boot of all electric Mercedes, Smart and Tesla cars – which previews a production version by 2014. Powering the B-Class Electric Drive is the Smart electric Drive powerplant, located in the space normally taken up by the ICE, which offers 134bhp and a healthy 228lb/ft of torque with the batteries to power the electric motor housed in what Mercedes are calling the B-Class’s Energy space ahead of the rear axle.

ZF boss thinks 9 speeds is enough for transmissions

The nine-speed transmission might be where the race to add gears ends, ZF Friedrichshafen CEO Stefan Sommer said. He referred to nine speeds as the "natural limit" because going beyond that number adds weight and complexity that cannot be offset by gains in fuel efficiency. "There is no hard line, but you have to consider the law of diminishing returns.