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

Ariel Atom 3.5 (2012) first official pictures

It's difficult for Ariel to come up with a mid-life refresh for its cars - there simply aren't that many bits to fiddle with in the first place. Still, the boys from Somerset must have succeeded, because what we have here is the freshly updated Ariel Atom 3.5. As the name suggests, it's a development of the Ariel Atom 3, with a crop of minor visual  tweaks and some mechanical changes too, keeping Caterham and BAC looking over their shoulders.

GM’s Henderson offers a ray of hope for Sky, Solstice

There appears to be a slight glimmer of hope for fans of the Saturn Sky and the Pontiac Solstice. CEO Fritz Henderson said that General Motors would be willing to sell its Wilmington, Del., plant, which builds the Sky and the Solstice--two eye-catching performance cars--if a buyer specifically wanted those niche products, similar to what Chrysler offered with its Dodge Viper business.

Is the V8 a dying breed? Auto engineers expect more turbos, smaller engines

The V8 engine, a symbol of power and prestige for more than a century, is looking more and more like an endangered species. A panel of powertrain experts speaking on Tuesday at the 2009 SAE World Congress painted a bleak picture for big engines in this era of tightening emission standards and volatile fuel prices. But smaller engines will not mean drivers have to give up performance.