Allison 640 Filter on 2040-parts.com

Porsche Cayenne (2011) upgrades announced

The Porsche Cayenne has been given a minor refresh for 2011. Even if you don't blink, you may miss it - but here's what you need to know about the modestly overhauled Cayenne 4x4 range. What's new with the Porsche Cayenne?

Kia Rio (2011) first official pictures

Kia is going to be busy at the 2011 Geneva motor show: it will show off the new Rio, as well as the Picanto. These are the first official pictures of the Rio, a smart, very European-looking rival to the Fiesta/Corsa/Polo ancien regime. The new 2011 Kia Rio is bigger in every dimension, apart from height.

The Technology Behind F1 Cars: Aerodynamics [w/Video]

Ferrari's latest video in its ‘Discover the technology of Formula 1' YouTube series sees Scuderia Ferrari's deputy design chief Simone Resta focusing on the chassis and side pods' design and its effect on the aerodynamics. This video follows two episodes, the first of which introduced viewers to the concept of aerodynamics – which is the subject of the series' first part – while the second took a look at the design and effect of the car's front wing and nose. The great thing about this series is you don't have to be a genius – or even know your way around an F1 car – to get to grips with the concepts or terminology.