2005-2012 Porsche Boxster Speedster Humps (unpainted) on 2040-parts.com

Bentley gets efficient: 2014 Hybrid Concept to cut CO2 emissions by 70%

It seems even the manufacturers of super luxury cars are now cottoning on to the fact that big multi-cylinder, gas-guzzling engines are set to be a thing of the past. Bentley, no less, has announced that it will be going hybrid in the future, marking the occasion with the reveal of its Hybrid Concept at the upcoming Beijing Motor Show 2014. Quite incredibly, the technology looks set to slash the firm’s CO2 output from limousine levels to rates we’re more accustomed to seeing from a small supermini.

Citroën to unveil DS4 Racing 'concept'

Citroën is set to debut its all-new DS4 Racing concept at next month's Geneva show as part of its evolution of the DS lineup. The concept, developed by Citroën Racing – the company's seven-time WRC winning motorsports division – is host to a range of new features courtesy of the Citroën Racing engineers. The chassis has been lowered by 35mm from that of the DS3, with the track being widened by 55mm at the front and 75mm at the rear along with the inclusion of 19-inch wheels.

Toyota GRMN Sports Hybrid concept

Toyota is set to unveil its GRMN Sports Hybrid Concept II at the forth-coming Nürburgring 24-hour endurance race taking place this weekend. GRMN is an abbreviation of 'GAZOO Racing tuned by MN'. Gazoo being the Japanese motorsport specialist that has a loose affinity to Toyota following a collaboration on the iQ city car, whilst MN makes reference to ‘Meister of Nürburgring' or Hiromu Naruse; the Toyota test driver tragically killed behind the wheel of a Lexus LFA last year.