01 Yamaha Yzf R6 Shock Mount Linkage 86f on 2040-parts.com

One Lap of the Web: Mini challenges Porsche; kit cars; and brand loyalty

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. Mini wished the Porsche 911 a happy 50th anniversary.

Ford to introduce inflatable seatbelts

When the 2011 Ford Explorer hits showrooms, its move to a unibody platform won't be the only major change. Ford will use the next-generation Explorer to introduce inflatable seatbelts for rear passengers. According to Ford, the inflatable seatbelt will help distribute crash forces across five times more body area, compared with traditional seatbelts.

Video: Listen to the Alfa 4C rev then watch it hit the track

We haven't heard many complaints about the new Alfa Romeo 4C. So far, kvetching has been limited to the fact that Alfa won't produce too many of them, that they won't be free, and that there's no manual transmission option. Also, the headlights are weird.