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Chat live with AutoWeek executive editor Roger Hart on Friday

AutoWeek executive editor Roger Hart will field your questions at 12:30 p.m. on Friday. Roger just got back from the Amelia Island Concours d'Elegance, and he is editor of the CarLife section of the magazine.

Fun with fiberglass: Petersen exhibit celebrates moldable material

To be an artisan in aluminum or the Stradivarius of steel, you need about 40 years as an apprentice working metal with pinchers and pullers and to spend a lot of time rolling sheets back and forth through an English wheel. To make something out of fiberglass, all you need is resin. The Petersen Automotive Museum in Los Angeles is celebrating all things fiberglass--especially the cars--with an exhibit that runs through Oct.

Nissan Extrem concept bows at Sao Paulo auto show

Wild concepts during auto shows are nothing new, especially from Nissan. The automaker is adding to its reputation with the Extrem small crossover, which debuted recently at the Sao Paulo auto show. The Extrem is wild, but we could easily see it going into production, though Nissan's given no indication of such.