Pbr15243 Bearing on 2040-parts.com

One Lap of the Web: Jay Leno does the T-REX, Porsche 912 restoration and cars with swimming pools

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. -- Watch as Jay Leno explores the 2013 Campagna Motors T-REX, a three-wheel, street-legal motorcycle that is insanely fast, especially since one of the powertrain options is a six-cylinder BMW engine and the thing weighs practically nothing.

Mazda Shinari concept car (2010) first official pictures

Mazda's new design direction is embodied in the new Shinari concept car. Modeled to announce to the world the new styling language of future Mazda road cars, the Shinari ushers in a new look to replace the somewhat tortured Nagare mantra that has fizzled into a damp squib on the sides of the latest Mazda 5 midi-MPV. The Shinari won't be shown at the 2010 Paris motor show (apparently it's being held back for a 2011 Geneva debut), yet this is a landmark concept for Mazda design, under the new leadership of chief design Ikuo Maeda.

Camouflaged Cadillac ELR spotted on the road

Autoweek reader Josh Lindquist recently snapped these photos of what may be a camouflaged Cadillac ELR cruising around metropolitan Detroit. While the photos don't show the car from every angle, its lines are strikingly similar to those on the ELR featured on Cadillac's official Web site. The ELR first appeared as the Cadillac Converj concept in 2009.