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Le Mans 24-hour race 2010: CAR Magazine's guide

Welcome to CAR Magazine's guide to and preview of the 24 Heures du Mans. That's the Le Mans 24-hour race to us English speakers. It takes place this weekend, from 12-13 June 2010 and below you'll find handy links for our guide to the Le Mans track, its history, plus the cars and teams to watch out for as the action unfolds at La Sarthe.

GM to double size of battery lab

General Motors says it will spend $8 million to double the size of its Global Battery Systems Lab, which the company claims is the largest and most technologically advanced automotive battery lab in the United States. GM says the expansion will speed up the development of hybrid and electric vehicles, such as the upcoming Chevrolet Volt, by improving on-site testing of battery cells and systems. When finished, the lab will be 30,000 square feet bigger than it is now, for a 63,000-square-foot total.

2011 Cadillac CTS coupe starts at $38,990; fire-breathing CTS-V coupe joins at $62,990

The captivating Cadillac enthusiasts have been waiting for, the 2011 CTS coupe, will start at $38,990 when it goes on sale in August. The coupe will be joined by a high-performance V-series version, which starts at $62,990. Prices include destination charges.