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One lap of the Web: Amphibious awesomeness, retro Land Rovers and a toy Toyota engine

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. -- Looks like the Willow Run assembly plant outside of Ypsilanti, Mich.

Concept Car of the Week: Audi Rosemeyer (2000)

When the Volkswagen group opened Autostadt in June 2000, rumors of a mysterious prototype drew the crowds in the Audi Pavilion. The German brand unveiled an impressive concept that crystallized its latest design philosophy, while also nodding to its glorious racing history. Designed under Peter Schreyer's supervision, the rounded volumes of the Rosemeyer are animated with precise geometric details expressing quality, rationalism and honesty – the foundations of Audi Design.

Marchionne's dilemma: To sell or not to sell Alfa to Volkswagen?

Fiat CEO Sergio Marchionne's self-confidence has helped him tackle problems that lesser executives would duck, but he may have met his match. In a public test of Marchionne's faith in his own turnaround strategy, in September Volkswagen Chairman Ferdinand Piech bluntly announced that he wants to buy Alfa Romeo. Piech was suggesting that VW--and only VW--could transform Fiat's perennial money-losing brand into a real moneymaker.