Fel-pro Ss70157 Valve Stem Seal Set on 2040-parts.com

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.

Nissan X-Trail

By Gavin Green Motor Shows 08 March 2007 11:39 So, a brand new Nissan X-Trail. Or is it? It doesn’t look any different… Yes, it’s new – new body, new platform and some new engines.

ANALYSIS: The incredible shrinking Alfa stand at the Geneva motor show

When he talks, Fiat CEO Sergio Marchionne conveys high hopes that the Alfa Romeo brand soon will be a huge business success, but actions often speak louder than words. Fiat has massively reduced the size of the 100-year-old sporty brand's stand at the forthcoming Geneva show. In March, Alfa's stand will shrink to 639 square meters from this year's 979 square meters, which was the second-largest display space among Fiat Group's portfolio after the Fiat brand.