Arias Pistons 12.5:1 Compression 82mm Bore Honda B-series on 2040-parts.com

Watch Koenigsegg One:1 active aero in action

Christian Von Koenigsegg and Drive are back with another installment of “Inside Koenigsegg.” Episode 3 focuses on the One:1's active rear wing. The naked carbon-fiber wing on the 1,360-hp Koenigsegg One:1 gets a front-top mounting, which reportedly causes less turbulence than a rear-mounted wing. The total weight is about 20 pounds, which von Koenigsegg claims is about 1/3 of what most active wing systems weigh.

Toyota campervan takes on VW California

Always had that urge to be a carefree campervan fan, but so absolutely hung up on vehicle reliability that you can’t leave the driveway without checking the oil and making sure all the electric windows work? What if we said you could have a camper based on a Toyota – like this new Proace conversion from G&P. Sandon-based G&P has just unveiled the new Proace camper at the 2013 Motorhome and Caravan Show.

Sacramento, Salt Lake City, Los Angeles top road frustration study

Weather, crashes, traffic and attitude--these are the things that make our commutes unbearable. Now, the RoadIntel.com Web site has ranked cities based on its "road frustration index." The index is based on how weather affects the roads, the amount of traffic, the number of crashes and driver sentiment, which is calculated by searching for keywords such as "traffic jam" and "stuck" on Twitter. On the site, you can look at cities ranked day by day and even hour by hour.