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

Renault Eolab Concept

Renault has bucked the trend of rather uninspiring Paris Motor Show previews with the Eolab. This B-segment-sized car that has been designed to a brief that states it must return fuel economy of 2l/100km (118mpg US/141mpg UK), and that all of its major technical innovations must be production-feasible by the year 2020. The Eolab is actually two cars – the Eolab prototype, which the engineering team has signed off as capable of 1l/100km (235mpg US/282mpg UK), and the Eolab Concept, which was overseen by the design team.

Citroen's GQbyCITROËN concept car (2010)

By Tim Pollard First Official Pictures 05 March 2010 09:16 Car manufacturers are increasingly looking for brand extensions outside their usual collaborations, so Citroën's new concept car should come as no surprise. They've teamed up with style bible GQ magazine to create the GQbyCITROËN.Designed to be a gentleman's sports car, GQ editor Dylan Jones worked with DS3 designer Mark Lloyd to create the five-door coupé. The rear pair of doors are suicide-hinged and the concave rear screen is a typical Citroën design flourish.

Hyundai i-Blue concept (2007): first official pictures

By Guy Bird First Official Pictures 12 September 2007 06:48 Fuel cells, coupes and crossover wagons… The world debut of the i-Blue fuel cell concept headed up a trio of key Hyundai products at the Frankfurt show stand. ‘Spare me another fuel cell concept’ I can almost hear you thinking, but don’t switch off. This one is no theoretical eco powerplant for a fantasy concept but a serious design showcase tailor-made for Hyundai’s very real third-generation fuel cell technology (the previous two versions were in special versions of the bigger Santa Fe and Tucson).  It’s Hyundai’s first ever model designed from the ground-up to incorporate fuel cell technology.