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Zipper Merge
The zipper merge is best. Drivers should stay in their lane until the very last minute and then take turns entering the open lane.
Most Watched in Auto
American Chopper: Jesse James Returns
Jesse James explains the three-way build-off between him, Paul Teutul Jr. and Paul Teutul Sr. ... as only Jesse James can.
American Chopper: Architectural Expression
How do you turn renderings of two world-trade-center towers and one transportation hub into one kick-ass -- and meaningful -- chopper design? Watch and learn.
American Chopper: Spitballs From Nowhere
See what prolonged havoc Vinnie wrought on Paulie with nothing but a clean sheet of paper, a straw, a window made with one-way glass and a whoooole lotta spit.
American Chopper: Orange County Apprentice
Team leader on the very first Celebrity Apprentice challenge, Senior calls in some reinforcements (and noise) for help.
American Chopper: OCC John Christner Trucking Bike
Find out how Rick met his fiancee, whether Senior had ever driven an 18-wheeler before, and how everyone feels about Junior replacing the OCC logo with Paul Jr. Designs on the Black Widow.
Step inside Paul Jr. Designs as Nubs delivers the painted frame for the Gears of War Trike(and learn the secret technique behind the paint's "weird" look).
After replaying Junior's voice mail expressing his condolences regarding Helen, Senior decides on next steps for getting his family back together.
Fast N' Loud: The Bronco's Rust
The Gas Monkey has run into a problem: the Bronco that they're supposed to restore is almost rusted completely through. Can the guys fix the body in enough time to get it done by the deadline? Tune in and find out in this clip from Fast N' Loud.
After Junior applies his finishing touches, the entire PJD team assembles to start up the One Call Concepts Bike.
American Chopper: Fixing Relationships
Deciding that life is too short, Senior calls Mikey to invite him to a painting session he's hosting for a group of wounded veterans.
Rick, Jim and Mike carefully -- verrryyyyy carefully -- assemble the front end and exhaust of the 11-foot-long Trump Bike.
American Chopper: Christian Subs for Senior
With Senior out filming the Celebrity Apprentice, it's up to Christian to take the super-long, super-heavy and super-awesome Grainger bike out for its maiden voyage on a beautiful fall day.
Recent Videos in Auto
HowStuffWorks Illustrated: Zipper Merge
The zipper merge is best. Drivers should stay in their lane until the very last minute and then take turns entering the open lane.
Old Car City: The Junkyard Turned Photographer's Paradise
HowStuffWorks heads to Old Car City to check out owner Dean Lewis' incredible collection of classic junk cars and folk art, including thousands of pieces of Styrofoam cup art.
Fast N' Loud: The Gloss Black Paint Job
A gloss paint job can be tricky, as it easily shows imperfections. With this in mind, the team takes extra special care when painting the '67 Ford Mustang. Get a closer look at the paint job in this video from Fast N' Loud.
Fast N' Loud: The Transmission
After perfecting the paint job, the Gas Monkey crew attempt to install the transmission -- after they've already installed the motor. Check out the video to see if they can get pull off the installation in this video from Fast N' Loud.
Fast N' Loud: Tubing For the Bronco
It's time to build the perfect tubing for the Bronco -- and, of course, this is as much of an art as it is a science. Tune in for a closer look at the building process in this clip from Fast N' Loud.
Fast N' Loud: The Bronco's Rust
The Gas Monkey has run into a problem: the Bronco that they're supposed to restore is almost rusted completely through. Can the guys fix the body in enough time to get it done by the deadline? Tune in and find out in this clip from Fast N' Loud.
As the team continues their work on the Bronco, they decide that they'd like to lift the vehicle, raising it and giving it a more aggressive stance. Tune in and check out the custom work involved in lifting vehicles in this clip from Fast N' Loud.
American Chopper: A Shocking Retaliation
Continuing the longstanding tradition of pranks at PJD, Cody gets his hand on a zapping device and uses it to "startle" Pete.
American Chopper: High-School Memories
After examining a stock muscle car they plan to customize, a gleeful Paul Jr. and Vinnie take it out for an eventful test-drive.
American Chopper: Making a Dream Car
As the PJD Muscle Car comes together, Junior sees his stock-car pencil sketch develop into an unbelievable dream car.
American Chopper: SUPER Charged
Vinnie leads the installation of the PJD muscle car's super charger, which will take it from "fast" to "holy BLEEP."
American Chopper: They Want Answers
After Paul Jr. mysteriously holes himself up in his office for days, a curious PJD team -- led by Mikey -- demands answers.