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

One Lap of the Web: Model S carbon footprints, 911 road trips and the Rover 3500

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. -- It's Tesla Model S owner vs.

Volvo V60 Polestar costs £49,775 – just 175 coming to the UK

Just 175 Volvo V60 Polestars (pictured) coming to the UK We did expect, when the Volvo V60 Polestar was made official in November last year, that it would be a regular production model. But instead it’s going to be a limited edition special. That probably makes sense with Volvo busy updating their entire range, but it does mean there will be just 750 cars built, of which 175 are earmarked for the UK – the biggest allocation of any market.

Concept Car of the Week: Saab 9X (2001)

With a glorious heritage, a strong and understated design philosophy combined with a focus on technology and innovation, it is sad to have witnessed how GM's questionable management led to Saab being completely wiped off the map in just a decade. The vision of what this iconic brand could have been still haunts many car enthusiasts around the globe. The 9X concept is, along with the AeroX, one the most exciting concepts produced by the Swedish manufacturer.