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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.

Nissan creates 'scent of the future'

NISSAN has created what it calls ‘the scent of the future’, representing what Planet Earth might smell like in an imagined world where everyone drove zero-emissions vehicles. By teaming up with master perfumer and Aroma Academy Scientist Dr George Dodd, the firm has created its ‘aromatic blueprint’ for the future. Dodd, reportedly inspired by long walks in the Scottish Highlands, has created an in-car fragrance that he says is proven to inspire ‘a positive sense of well-being’ in people who smell it.

Automakers try to stop increase in ethanol limit to 15 percent of gasoline

Automakers are seeking to head off an EPA ruling that would allow gasoline to contain 15 percent ethanol, up from 10 percent now, and they've won some bipartisan congressional support. The two main automaker industry lobbies have argued that the U.S. Department of Energy has done insufficient testing to assure that gasoline containing up to 15 percent ethanol won't harm vehicles.