New 215/45/17 Wynstar Exocet 87w on 2040-parts.com

Traffic Booster honks at drivers as soon as the light turns green

The Traffic Booster is a simple little device: a few resistors, some switches, a box with a cheap car horn in it. The schematics are here for easy home replication, dog-eared copy of "The Anarchist Cookbook" not required. But the apocalyptic infuriation it causes is priceless, and if deployed across a city center, the ensuing riots will cause untold millions in damages.

Scottsdale auction results: Video wrap-ups recount total sales

Now that the 2012 Scottsdale collector-car auctions in Arizona have come to a close, our friends at Hagerty Insurance have wrapped up all the numbers from the auctions in their latest edition of “Hagerty Classic Car TV.” In this episode, host Rob Sass, author Colin Comer and publisher Dave Kinney explore the 2012 sales figures and take a closer look at some of the more memorable vehicles, including a 1948 Tucker Torpedo and a 1955 Mercedes-Benz 300SL alloy Gullwing. Check out the video for all the details.

Audi A8 W12 and Audi S8 cancelled for 2010

The 2010 Audi A8 will not have the W12 or the S8's V10 Update 1/12/2009: It looks like Audi has had a change of heart and has now confirmed plans for an S8 for 2011. Update 16/04/2010: And to completely trash this article, we now have confirmation that the 2011 Audi A8 L will come complete with W12. Oh, well.