8671057 - Gear Shift Lever K - Volvo on 2040-parts.com

Events to fire up your Independence Day

AAA expects 34.9 million people to travel at least 50 miles from home this Fourth of July weekend. We don't know where they're heading, but it looks like they have quite a few options. Our favorites?

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.

2014 Cadillac XTS adds new twin-turbo V6

Cadillac is adding a new 420-hp, twin-turbo 3.6-liter V6 as an option for its XTS sedan for 2014. General Motors unveiled the engine back in March, confirming that it will be an option on the new-for-2014 Cadillac CTS, and recent Cadillac press materials confirm that the engine option will be expanded to the XTS. The all-aluminum engine makes use of direct-injection technology and is the highest-output V6 in GM history.