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

Porsche plans four-door Panamera convertible

A series of European and U.S. patent applications obtained by AutoWeek show that Porsche remains committed to building a four-door convertible version of its flagship Panamera, despite recent comments from Zuffenhausen insiders indicating the car had been canceled. The new car, depicted in official drawings that accompany the latest Porsche patent applications filed in February, eschews the two-door route taken by all of its upmarket rivals for a four-door body.

GM's new EN-V electric 'car' unveiled (2010)

By Tim Pollard First Official Pictures 24 March 2010 09:06 GM has shown off its oddball EN-V – a Segway style electric vehicle imagined for 20 years hence – in China. EN-V stands for Electric Networked Vehicle and is an urban mobility solution to keep pedestrians moving in busy cities of the future.The future? You don't say!Yes, the EN-V is a concept car for the year 2030, when 60% of the world's 8 billion population will be city dwellers.

Button issues Triathlon challenge

Formula 1 star Jenson Button is challenging his McLaren team-mates to down tools and race him - in the annual triathlon he organises. The 2009 world champion driver is signing up his mechanics to take part in the challenge being staged in July for the third year. Button is a keen athlete who has taken part in a number of triathlons over the years.