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Alfa Romeo 4C spied in Michigan

During the Detroit auto show in January, Fiat and Chrysler CEO Sergio Marchionne told us -- in his own irreverent way -- that arrival of the long-promised Alfa Romeo 4C would be delayed once again. But as these spy photos show, testing on the sporty coupe continues even as a debut date remains elusive. This isn't the first time we've caught the 4C testing in the States.

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.

Volvo Concept Estate photos

Last week, Volvo's Geneva Motor Show concept was teased on a Swedish raincoat company's website. This week, we've got official photos of the Concept Estate, a wagonesque vehicle set to be shown at a show that's all about the supercar. We'll see the new Ferrari California T there.