Jr Products Endura Range Vent, Black 50025 on 2040-parts.com

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.

Exclusive -- Mercedes-Benz GT AMG spy shots

On Monday, we told you about the 911-fighting Mercedes-Benz GT AMG, which is scheduled to debut at the German Grand Prix in 2014. Today, we have fresh spy photos of the upcoming car. The two-seat coupe is codenamed C190 and will take the place of the bigger SLS AMG.

2013 Land Rover LR2 gets smaller engine, more efficiency, more luxury

Land Rover released the details of the 2013 LR2 compact SUV on Wednesday. It will be cleaner, more efficient and include more equipment than it has in previous years. The interior will get the bulk of the upgrades.