The 500-hp club: The room is getting crowded

At a time when fuel economy counts for just about everything, there's still a horsepower war raging in the United States. The number of fire-breathing wedge-shaped supercars and hot sedans and coupes that can pump out 500 hp or better has nearly doubled in the past five years to more than 70. A decade ago there were just two members of the 500 hp club in the United States: the Ferrari 575M and Lamborghini Murcielago.

Renault Alpine A110-50 concept photo leaked

Just days before the public reveal of the Renault Alpine A110-50 concept at the Monaco Grand Prix, a leaked image has hit the Web. Eerily similar to the Renault DeZir concept from the 2010 Paris motor show, the A110-50 is a celebration of the 50th anniversary of the Renault Alpine A110. According to the United Kingdom's Car magazine, the A110-50 will have a mid-engine V6 with roughly 400 hp and 310 lb-ft of torque.

Graphic U.K. ad illustrates the dangers of texting while driving

A U.K. public service announcement that graphically portrays the dangers of text-messaging while driving is prompting a new round of warnings from driver-safety advocates in the United States. The ad has had tens of thousands of views on YouTube, which has restricted it to viewers who are at least 18 years old.