Yamaha Grizzly 600 Front Differential on 2040-parts.com

Daimler, Renault-Nissan announce alliance

Daimler and Renault-Nissan unveiled the details of an international alliance on Wednesday in a landmark collaboration designed to fortify the three historic automakers by sharing technology and reducing costs around the world. AutoWeek first broke news of the deal last week. Renault-Nissan and Daimler will work together on several specific projects, including small cars, engines and commercial vehicles.

Volvo Concept Estate photos

Last week, Volvo's Geneva Motor Show concept was teased on a Swedish raincoat company's website. This week, we've got official photos of the Concept Estate, a wagonesque vehicle set to be shown at a show that's all about the supercar. We'll see the new Ferrari California T there.

Your 2013 SRT Viper questions answered before the New York auto show

The 2013 SRT Viper will make its public debut on Wednesday at the New York auto show, but Autoweek readers who have Twitter accounts don't have to wait that long. We've arranged for an exclusive question-and-answer session with SRT director of operations Beth Paretta to take place the night before the big reveal. Starting at 5:45 p.m.