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One Lap of the Web: Senna's sweet go-kart

-- Gran Turismo has always included some, uh, unique car choices for its video games. (Sure, the Patent-Motorwagen is significant, but hot-lapping the 1-hp horseless carriage in "Gran Turismo 4" wasn't exactly riveting, unless you used cheats.) So that's why Ayrton Senna's go-kart from the 1978 World Karting Championship should be interesting -- it's nowhere near as fast as his Lotus 97T, but it shows that "Gran Turismo" wasn't kidding when developers said they wanted fans to chart the entirety of Senna's life. Plus, if you make it go 352 mph you can finally stick it to Prost.

Electric-car guru Tom Gage steps down from AC Propulsion

Electric-car innovator Tom Gage resigned the morning of Oct. 5 from California company AC Propulsion, Autoweek has learned. Gage, the now-former CEO, joined the company in 1996, several years after its founding, and has become its public face and a widely used resource on electric cars.

2011 Ford Explorer set to debut new curve-control technology

During our first test drive, Dave Messih speeds around a curve at 50 mph. His foot never touches the brake, and the 2011 Ford Explorer prototype we're in knocks down a barrier of safety cones. OK, that's fun.