Rockin' for a Cause: Iconic Jim Marshall photography to be auctioned to benefit MS

From black-and-white photographs of some of rock and roll's greatest performers to thoughtful, provocative portrayals of the automobile, Jim Marshall captured enduring images of two of America's greatest passions. Now, for the first time since he died earlier this year, some of his original photographs will be auctioned to benefit his favorite charity, MSFriends. Two portfolios of Marshall's work from the launch of Nissan's iconic GT-R supercar will be sold at a July 24 fundraiser called Rock for MS at the Petersen Automotive Museum in Los Angeles.

Chevrolet plays the name game with paint color for the upcoming Volt

We know the Chevrolet Volt is going to be green, but what color will it be? Chevy is staging a contest to officially name the color of the Volt, and it's down to three finalists: EV-ergreen, environMINT and Viridian Joule. Two of the names were submitted by California residents, and one came from Florida.

Chevrolet preps a new car for NASCAR and for the showrooms

Chevrolet will replace the Impala in NASCAR with a new model that it also will sell to consumers. General Motors said the NASCAR Sprint Cup Series race car and the showroom model will closely resemble each other and will debut in 2013 as a new nameplate in the Chevy lineup. GM said it will unveil the cars later this year.