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

One Lap of the Web: Cutaway F1 cars, Bugatti's Blue Dream and building your own paint booth

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. -- Sauber Motorsports invites you to take a look under the skin in their Cutaway Insights YouTube series.

Rinspeed Dock + Go concept car (2012) - a more practical Smart

And over on the Rinspeed stand at the 2012 Geneva motor show, you can expect to see the new Rinspeed Dock + Go, a Smart Fortwo with a new mobility concept. It adds a bespoke trailer to the Smart city car, letting customers drive into town two-up in the regular Smart, or go on a longer journey to the seaside with all the clobber (for two, no families allowed – unless the children can be flatpacked into the boot) stuffed into the trailer. Rinspeed Dock + Go: the details Frank Rinderknecht calls the Smart trailer 'a backpack on wheels'.

Audi's new Quattro to be an Evoque-style crossover

There’s more disappointment afoot for fans of Audi concept cars. After previous admissions that Ingolstadt wouldn’t build the R8 V12 TDi or an electric successor to the A2, CAR can now reveal that a production version of the Quattro concept first seen at the 2012 Paris motor show has also been canned. However, a high performance Quattro-inspired coupe could still see the light of day, in the form of a Range Rover Evoque-style crossover, CAR understands.