Mercury Voltage Regulator on 2040-parts.com

Coming soon: A bigger, better autoweek.com

First, we want to thank all the readers who have helped make autoweek.com what it is today -- we've worked hard to ensure no nugget of cool car news falls through the cracks, and we've been rewarded by a 100 percent increase in visitors over the past two years. That said, we also know there's a lot about our site design that can be improved. Articles don't "pop" the way they should, the home page is far too busy, and our commenting system is…well, let's just say that anything relying on Facebook deserves a healthy dose of skepticism.

2014 Mazda 6 diesel sales postponed for emissions testing

Mazda has postponed the U.S. launch of its diesel-powered Mazda 6 midsized sedan until April because of delays in emissions testing, the company said today. Instead of hitting showrooms before year end as planned, Mazda 6 sedans powered by the automaker's Skyactiv-D 2.2-liter turbodiesel will arrive in late April, Robert Davis, senior vice president of U.S.

Jaguar offering one XJL Ultimate at Gilt.com

Jaguar is partnering with Gilt.com to sell a special version of its 2013 Jaguar XJL Ultimate. It will come with a Polaris white paint job and a black interior. This is not an auction.