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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.

BMW M3 GTS (2010) unveiled: a new M3 CSL first official pictures

BMW might not be producing an M3 CSL, but this is something much better. Called the M3 GTS it’s a stripped-out 450bhp road-racer designed to take on the Porsche 911 GT3 RS. It’s a response to those that thought M Division might have lost its way: 'The BMW M3 GTS which we are currently preparing in our BMW M production workshop is a response to frequently expressed customer wishes', said M Division’s CEO Dr Kay Segler at the unveiling.

Chevy Volt will do 230mpg

GM are claiming 230 mpg for the Chevy Volt The premise is that the vast majority of buyers for the Chevy Volt will do no more than 40 miles a day. Which just happens to be the range that the Volt has. So I suppose they could have worked out the cost of the electricity to fully charge the Volt, converted that in to the cost of petrol and come to the conclusion that it does 230mpg.