Auto Trans Speed Sensor Dorman 917-606 on 2040-parts.com

One Lap of the Web: Model S carbon footprints, 911 road trips and the Rover 3500

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. -- It's Tesla Model S owner vs.

McLaren P1: Geneva Motor Show

The new McLaren P1 has been revealed publicly for the first time at the 2013 Geneva Motor Show where it goes up against LaFerrari. In contrast, McLaren has been busy trailing the P1 for months and had revealed all we really wanted to know ahead of today at Geneva. That garnered more column inches for the McLaren than the Ferrari in the run-up to Geneva but it’s meant that the actual public reveal of the McLaren P1 has been totally overshadowed today by the reveal of LaFerrari.

Ford overhauls plans for the U.S. C-Max to go with fewer seats, all hybrids

Ford has shifted gears on its plans for the C-Max wagon in the United States and will now sell only the five-seat version with hybrid and plug-in hybrid powertrains, beginning in 2012. Ford has canceled plans to sell the seven-seat version of the C-Max with a conventional gasoline engine in the States. Ford will call the car the C-Max hybrid, and C-Max Energi will be the name of the plug-in version.