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Vintage photos show Ford Mustang I and the elusive XD Cobra

It's hardly surprising that our readers want to share their memories of the Ford Mustang -- 50 years is a long time for an automotive nameplate to endure, and the model's upcoming 50th anniversary is as good excuse as any to look back on the experiences that have made the car an enthusiast hit. Take William Drew, who had a close encounter with pony car history when he saw the Mustang I concept, plus a rare Ghia-bodied Shelby Cobra concept, at an auto dealer in Dallas in 1970. His slides (taken with a Yashica camera, he notes) show the unusual cars in the nice, bright colors of Kodachrome.

Aston Martin to use Mercedes AMG V8 engines (2013)

It’s a new era for Aston Martin: the Gaydon brand has announced today (25 July 2013) that it’s in the early stages of a deal with Mercedes’ in-house tuners AMG, which will allow it to use Mercedes-honed engine and electronics technology. Has Aston Martin sold its soul to the Germans? Not quite – Daimler AG is set to take only a 5% share stake in Aston Martin, sitting alongside majority shareholders Investment Dar and Investindustrial.

Ebay-GM partnership generates interest but limited sales

General Motors Co.'s effort to sell new cars on eBay in California is generating interest but recording few sales on the Internet auction site. In the first nine days of the program, GM dealers listed 16,228 vehicles on eBay and completed 45 sales, according to data available on the Web site. But GM said the eBay exposure is prompting customers to visit dealerships to complete sales that aren't recorded on eBay.