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Acura NSX GT3 racecar bares all in raw carbon

Acura slowly and dramatically revealed the NSX over a period of years. There were previews, concepts, and lots of teases before Acura finally showed us the whole thing. It's a different story for the racecar. And today, the wraps come off the FIA GT3-spec NSX to show all of its bare-carbon glory. The NSX GT3 strips away more than just the paint from the standard road car. The racecar comes sans hybrid system, meaning all the power from the twin-turbocharged 3.5-liter V6 is sent solely to the rear wheels. Modifications to the body include a large rear wing, underbody diffuser, and bigger hood vents for engine cooling. While the hybrid system may be gone, the NSX GT3 uses the same block, heads, valvetrain, crankshaft, pistons, and dry sump lubrication system as the road car. Power is sent through a six-speed sequential gearbox instead of the road car's nine-speed. The NSX GT3 will be built alongside the street version in Ohio. Honda engineers in Japan and North America shared in the development. Final GT3 homologation will be completed by the company's Honda Performance Division in Santa Clarita, CA. Related video:

Car Club USA: CleanMPG Northwest Rally

Car Club USA heads to Los Angeles for the CleanMPG Northwest Rally, where a group of like-minded hypermiling enthusiasts led by Wayne Gerdes attempts to drive from Los Angeles, CA, to Bend, OR, on one tank of fuel. For this challenge, Wayne tapped some of the most accomplished hypermilers in the world, including Guinness World Record holder Bob Winger and Mike Sefton, "the most fuel efficient driver in all of Canada." It doesn't take long for the competition to get heated. "They're not aggressive enough, and it's not going to save them anything by being soft right now," says Gerdes as the group attempts to navigate the Interstate traffic. "Driving in Los Angeles is a hyper miler's nightmare," says Winger. The trip will challenge both car and driver, while putting the latest fuel-efficient tech to the test. Wayne is piloting the Volkswagen Golf Sportwagen TDI, Sefton drives the Audi A3 TDI, and Winger attempts the trek in a Honda Accord Hybrid. It's diesel versus hybrid tech on this fuel-efficient trip of a lifetime. Each Car Club USA episode features a different car club or event from across the US, where passionate owner communities gather to share automotive experiences and embark on incredible adventures. From Main Street cruises to off-road trails, catch all the latest car club activity on Autoblog. Green Audi Honda Volkswagen Alternative Fuels Fuel Efficiency Green Culture Green Driving Driving Diesel Vehicles Hybrid Car Club USA Videos Original Video cleanmpg

Honda Wander Walker, Stand will roam around, around, around [w/video]

They do things differently in Japan, and we're not just talking about the adorable kei car. No, the concept vehicles that debut at the Tokyo Motor Show are decidedly different than what you might see in Geneva or Detroit. Case in point – the Honda Wander Walker and Wander Stand Concepts, which we previewed late last month. Despite its name, the Wander Walker is quite obviously a four-wheeled scooter that'd look right at home being driven by the elderly IKEA enthusiast in some futuristic metropolis. The front wheels turn to darn near 90 degrees, blessing the Wander Walker with a mere one-meter turning circle. The impressive maneuverability is down to this thing being tiny. Check out the picture if it next to everyone's favorite robot, Asimo, for scale. That makes it a prime mobility solution for the cramped confines of urban Tokyo, a fact that's reinforced by its super-model skinny 21.25-inch width. That size allows the Walker to squeeze through the turnstiles to board Japan's ultra-efficient train network. It's unclear what kind of power is in use here, but it's almost certainly electric. The top speed is a leisurely 3.7 miles per hour. (A quick Wikipedia search reveals humans walk at about 3.1 mph, so yes, this is at least a bit faster than walking.) If the Wander Walker is a futuristic scooter, the Wander Stand looks like a waiting room on wheels. Unlike the Walker, it'll accommodate two adults who can ride side-by-side in a 72.8-inch tall, 49.2-inch wide, and 78.4-inch long box. Like so many futuristic bits of tech, the Wander Stand throws information up on the windshield, which sits atop a futuristic dash. What sets this concept apart from the average kei car, is the Honda Omni Traction Drive System, which allows the usual movement forward and back, but also gives drivers the ability to drive laterally or even diagonally. Again, Japan is a tight place, and this kind of ability grants drivers a lot of leeway in urban driving. We've got a few images direct from Honda available above and below, while you can also look forward to a full array of live images, direct from the floor of the 2015 Tokyo Motor Show.