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

Merc to revive straight six, plus 4cyl and smaller V8s

Mercedes has just signed off a new engine family which will see most full-sized Mercs in future run four-cylinders, downsized V8s and… straight sixes. A friendly Mercedes engineer recently met CAR to disclose the engine plans for future models, including the surprise disclosure that Merc plans to switch to straight sixes, like its rivals over in Munich.  It's fair to say I almost choked on my breakfast croissant when I found out the details of the next MB engine generation which has just been signed off for release in 2015. Mercedes' future four-cylinder engines Again, there will be a family of new low-cost fours, and the big-bore V8s will be replaced by a series of downsized turbocharged 4.0-litre units.

One lap of the Web: Lost childhood cars, the Jeep Wagoneer at 50 and Airstream's rental service goes live

We spend a lot of time on the Internet -- pretty much whenever we're not driving, writing about or working on cars. Since there's more out there than we'd ever be able to cover, here's our daily digest of car stuff on the Web you may not otherwise have heard about. -- Hooniverse poses a poignant question: What family car do you wish your parents had held on to?

Subaru Trezia: Geneva Launch

The Subaru Trezia When we got news that Subaru were taking their half of the Toyobaru project to Geneva – the Subaru FT-86 – for its first public outing, we did mention that there would also be another Subaru launch – the Subaru Trezia. So we thought we ought to enlighten you a bit. The Subaru Trezia is the fruits of another Toyota/Subaru collaberation, but rather than being a joint project between Subaru and Toyota this one is much simpler – badge-engineeering.