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Porsche Rennsport IV rolls on at Laguna Seca

Heavy fog for the morning qualifying runs didn't seem to dampen the spirits of competitors nor the thousands of fans attending Rennsport IV at Mazda Raceway at Laguna Seca. Billed as the largest gathering of Porsche race cars and drivers, the day was filled with on-track action as well as a concours of historically significant Porsches from the past 40-plus years. Three classes of race cars competed on Saturday.

Chevrolet Trailblazer

The Chevrolet Trailblazer SUV made its production debut at a special launch event ahead of the 2012 Bangkok International Motor Show and now Chevrolet has confirmed that the vehicle will be available to purchase throughout the world, starting in Thailand in June. The car was created by the GM South America Design Center in São Caetano do Sul, Brazil, and shares a number of design cues with the Chevrolet Colorado, following the brand's global design DNA. The dual-port grille, synonymous with the brand's range, is again present with the bow tie proudly displayed on the horizontal bar.

GM SUVs probed by NHTSA after reports of stalling

Federal regulators have opened a safety investigation of as many as 865,000 General Motors SUVs from 2005-07 model years after complaints that inaccurate fuel-gauge readings led to stalling and one accident. The National Highway Traffic Safety Administration's preliminary evaluation is looking at 2005-07 Buick Rainiers, 2005-07 Chevrolet TrailBlazer 360s, 2005-06 Chevrolet TrailBlazer EXT 370s, 2005-07 GMC Envoy 360s, 2005-06 GMC Envoy XL 370s and 2005-07 Saab 9-7Xs. NHTSA said in a posting Friday that it has received 668 complaints of inaccurate fuel-gauge readings, 58 of which involved stalling vehicles.