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

Tomorrow’s world: Fiat's MultiAir engine tech

By Jesse Crosse Motor Industry 14 October 2009 16:50 Fiat this year launches what it claims is a big step forward in variable valve timing: MultiAir. It's the first time that a manufacturer has made a properly variable valve system a production reality, and will slowly be rolled out across most of Fiat's and Alfa's car ranges.How does Fiat's MultiAir vary from existing variable valve timing (VVT) systems?Current VVT systems rely on mechanical systems to open and close the valves. Engineers have long understood the benefits of changing valve opening and closing times to tweak an engine's power and emissions performance, depending on the need for power or parsimony.Valves are an engine's nose and mouth – it inhales through inlet valves and exhales through exhaust valves.

Infiniti Etherea to become B-Class based Infiniti DX

Infiniti Etherea will become the B-Class based Infiniti DX in 2014 To be entirely fair, the news that Infiniti is going to be build a compact crossover on the new Mercedes B-Class MFA architecture – and that it is the Etherea Concept forming the basis and likely to be called the Infiniti DX – isn’t a huge surprise. We knew last year when Nissan and Mercedes announced a partnership deal that it would impact on Infiniti as well as Nissan. And the first fruits of that have been confirmed by Carl Ghosn, with the news Infiniti will launch a compact crossover in 2014 using the Mercedes MFA platform which underpins the new B-Class.

Hyundai i30 Tourer estate (2012) first official pictures

Hyundai is on a roll with its Tourer estates. Have you ogled the svelte-looking i40 wagon recently? Many at CAR have, and Mark Walton will in fact run one as his next long-termer.