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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:

Honda MC-? prototype

Honda is less an automaker, it has been said, and more of a motor company that builds vehicles into which to put its engines. That sort of perspective goes a long way towards explaining the mind-boggling diversity of the company's product lineup. The Japanese industrial giant makes lawnmowers, marine engines, robots... even jet aircraft. It's also one of only a handful of companies that makes both cars and motorbikes. We recently had the chance to sample something that falls in between.
It's called MC-β - shorthand for Micro Commuter Beta, which already tells you it's Honda's second stab at the formula. The first Micro Commuter prototype was announced a year prior and, though marginally larger, struck us as a more complete product than its successor. But it'll likely still be a while before the formula is perfected and put into production, and even then it isn't likely to find its way any time soon to Honda's American showrooms - whether those showrooms are selling cars, bikes or ride-on mowers.
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Toyota, Honda, Nissan and more collaborating to increase fuel efficiency

Toyota, Honda, Mazda, Nissan, Subaru, Mitsubishi, Suzuki and Daihatsu have announced an alliance that will see a push to improve fuel economy from both gas-powered and diesel-powered engines by as much as 30 percent before the end of the decade.
The newly assembled Research Association of Automotive Internal Combustion Engines put the roughly $20-million project together, with the Japanese government committing to half the cost while the eight manufacturers will chip in the rest.
According to Automotive News, the automakers will team up and share basic research on internal-combustion engines in a bid to cut costs. Eventually, the results of the research will find its way into a production vehicle, although it's unclear just when we'll see the fruits of this partnership on the road.