2 Nascar Aluminum Fuel Cell Vent Check Flapper Valves on 2040-parts.com

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'.

One Lap of the Web: Rolls-Royce in Thailand, 130-mph lawn mowers and Formula One in Canada

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. -- Check out some factoids about Formula One in Canada and how drivers have faired at Canadian tracks over time.

Dacia Dokker

Dacia has expanded its range with the addition of two new models, the Dokker and the Dokker Van. The five-seat passenger version offers transport for both large loads and families. It measures 4,360mm in length with a width of 1,750mm and a height of 1,810mm.