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One Lap of the Web: Elon Musk's Hyperloop, Greenwich Concours and a Model T

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. The 2013 Porsche Rennsport Australia went off over Memorial Day weekend at Sydney Motorsports Park and motorsportretro.com has full gallery of pictures.

Vauxhall Insignia Sports Tourer (2009): first pictures

By Ben Pulman First Official Pictures 14 August 2008 11:06 These are the first pictures of Vauxhall’s third Insignia model, the estate. But estates are boring and dull, so Vauxhall has dubbed this the Sports Tourer, not to be confused with Renault’s Sport Tourer. The Sports Tourer will debut at this autumn's Paris motor show and come with a choice of seven engines and the option of front- or four-wheel drive.

Nissan Invitation concept

Nissan has released the first images of its new B-segment concept car, the Invitation. Set to be unveiled at the Geneva Motor show next month, the car previews a new model that will sit between the Micra and Juke as the company returns to the traditional hatchback market. The Invitation's DRG features a wide grille with a chrome accent that extends into the lamps, reminiscent of the Quest MPV.