GM considers CVTs for small cars

General Motors Co., aiming to give its small cars a sales edge, may introduce continuously variable transmissions to deliver better fuel economy, executives say. GM doesn't use CVTs now. But they could be used on models such as the Chevrolet Spark, Aveo and Cruze in the next three years, said Mike Arcamone, CEO of GM Daewoo Auto & Technology.

Chevrolet prices CNG-ready Impala for 2015

Chevrolet announced pricing for the upcoming CNG-capable 2015 Impala sedan, which can run both on gasoline and compressed natural gas. The sedan will start at $38,210 and will go on sale in late fall of 2014. This version of the Impala will be available in base LS trim as well as the more luxurious LT trim, though Chevrolet has not announced pricing specific to the higher-spec LT model.

Mercedes-Benz buys naming rights to the Louisiana Superdome

New Orleans' Louisiana Superdome, home at one time or another to Super Bowl champions and Hurricane Katrina refugees, is now home to a luxury-car brand. The arena was renamed the Mercedes-Benz Superdome this week after the carmaker acquired naming rights for 10 years. "The investment being made by a premier international brand who believes in 'the best or nothing,' is a tremendous compliment to all of those who worked so hard to make the stadium what it is today," said Tom Benson, owner of the NFL's New Orleans Saints.