The Porsche AG logo is seen on the wheel of a 911 Speedster Concept automobile as the luxury automaker celebrates its 70th anniversary in Stuttgart, Germany. (Photographer: Alex Kraus/Bloomberg)

Vintage Porsche Collection Damaged in Fatal N.C. Gas Explosion

(Bloomberg) -- One of the top collections of vintage Porsche cars in the world was severely damaged by a deadly gas-pipeline explosion in North Carolina, according to local news reports.