2008 Harley Dyna Throttle Body 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.

Chevy introduces two Silverado SEMA concepts at Texas Fair

Chevy used last Friday's State Fair of Texas to introduce two buffed-up pickup trucks prepped for SEMA. The first, based on the Silverado Double Cab with the Z71 package, was for fighting fires; the other, a Crew Cab 4x4, is for top-secret Black Ops missions (??- ED.) Chevy This pickup carries equipment, water and fire extinguishers. According to Chevy, the Silverado Z71 Volunteer Firefighter concept honors the service of “first responders” while showing off the pickup's work credentials.

Watch the Nissan IDx concepts invade Southern California

Nissan cut together a video of its IDx concepts taking on Southern California. The flashy pair hit Abbot Kinney Boulevard, Cars and Coffee in Irvine and the Petersen Automotive Museum during the Super Bowl weekend tour. Nissan was even able to squeeze a little one-on-one time with us.