1974-2005 Johnson/evinrude 5" Gearcase Extension on 2040-parts.com

One Lap of the Web: New Transformers, home-built cars and two Mercury Marauders

We spend a lot of time on the Internet -- pretty much whenever we're not driving, writing about or working on cars. Since there's more out there than we'd ever be able to cover, here's our daily digest of car stuff on the Web you may not otherwise have heard about. -- Michael Bay has been releasing the cars of “Transformers 4” for the past couple of months, and the latest one to be revealed is the Pagani Huayra (“why-ra”).

Jeep Wrangler Arctic and Liberty Arctic arrive in time for winter

First the Sahara, now the Arctic: Later this month, two new Jeep special editions will appear in dealerships--the Wrangler Arctic and the Liberty Arctic, inspired by the extreme conditions they're reportedly designed to attack. The Jeep Wrangler Arctic two-door, based ironically on the Sahara model, is available in winter-themed colors such as Winter Chill (a light blue), Bright Silver and Bright White. A four-door Wrangler Unlimited Arctic version also is available.

Toyota Prius: Battery bottleneck limits Prius Output

Battery bottlenecks are hurting efforts to boost output of the Toyota Prius to meet booming demand, and the problem will likely persist into next year, a Toyota official says. "The new Prius model has been excessively popular, inconveniencing some of our customers, and the factories are working overtime at full capacity," Takahiko Ijichi, Toyota senior managing director, said Tuesday at the company's quarterly earnings announcement. "Unfortunately, the batteries are not catching up with demand.