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A look inside Infiniti's variable-compression engine

We're sympathetic to anyone who had trouble understanding what's going on with Infiniti's new variable-compression engine. While we got a full tech briefing on the novel VC-Turbo back in August, the visual aids were lacking. The cutaway engine Infiniti brought to the Paris show fixes all of that. You can thank the little green and pink lines on the cutaway for making the whole idea a little more clear. Click through the gallery to see two lines – one green and one pink – that represent the different strokes allowing for different compression ratios. Remember, the compression ratio is the amount of volume in the cylinder on intake compared to the amount at the end of the compression stroke. Leave more room at the end and you lower that ratio. The length of the stroke doesn't change with this system, but where it sits along the cylinder does. Hence those two lines. The variable compression ratio allows this new turbocharged engine to maximize fuel economy when the turbo isn't needed by raising the compression ratio. It will see its first use in the next Infiniti QX50 crossover, previewed by the QX Sport Inspiration concept that's also on display in Paris, and has performance targets of 268 horsepower and 288 pound-feet of torque. After, it will migrate to other Infiniti and Nissan vehicles, with transverse front-drive-based applications first in line. Eventually, it's likely to completely replace Nissan's corporate 3.5-liter V6. We'll be poking around the engine a little more in Paris today to try and get some more info. For now, enjoy those cutaway images and those friendly little lines. Featured Gallery Infiniti VC-Turbo engine cutaway View 14 Photos Paris Motor Show Infiniti Nissan Technology Emerging Technologies engine 2016 paris motor show

Nissan, Mitsubishi Motors unveil light EVs for Japan

KURASHIKI, Japan — Japan's Mitsubishi Motors Corp and Nissan Motor Co unveiled their first jointly developed light electric vehicles (EVs), aiming to draw more Japanese drivers to battery-powered cars by offering low-priced micro models. The two Japanese automakers, part of an alliance with French carmaker Renault SA, were once considered trailblazers in Japan's EV market but have struggled to attract customers and face challenges from fast-growing newcomers such as Tesla. "I'm confident that (the new vehicles) representing the alliance will be a game changer for electric vehicles in Japan," Nissan Chief Executive Officer Makoto Uchida said at an unveiling of the new models in the western Japan city of Kurashiki. The automakers are hoping to leverage their presence in Japan's unique market for micro "kei" cars, which account for nearly 40% of cars on the road in Japan. The three companies' alliance early this year detailed a five-year plan to invest $26 billion on EV development, including kei cars. Nissan, which produces the Leaf and the Ariya electric vehicles, will offer its first light EV, the Sakura, starting at about 1.78 million yen ($13,891) after factoring in a government subsidy, and with a range of 180 km (112 miles). Mitsubishi Motors, maker of i-MiEV electric cars, will release the "eK cross EV" starting from about 1.85 million yen including the subsidy, also with a range of 180 km. Both automakers said they would start selling their new line-up of electric "kei" cars this summer. "People who used to think that EVs are too expensive will become a little more interested in EVs and will be willing to give them a try," said Riho Suzuki, Nissan regional product manager. ($1 = 128.1400 yen) (Reporting by Satoshi Sugiyama; Editing by Edmund Klamann) Green Mitsubishi Nissan Hatchback Economy Cars Electric

Nissan bringing 2014 Versa Note to Detroit

Nissan today confirmed that it will be showing the 2014 Versa Note - not Versa, not Note, but Versa Note - at next week's 2013 Detroit Auto Show. And while we can't see a whole lot from this one teaser image, we're willing to bet that the car looks a lot like this.
All Nissan will tell us at this time is that the Versa Note will have "segment-exclusive technology, outstanding fuel economy, smart packaging and class-leading cargo space." Sounds... class-competitive.
Given how turned-off we are by the second-generation Versa sedan, it'll be interesting to see just what's in store for this Notably more functional version of the affordable compact. Stay tuned for the full details live from Cobo Hall in just a few days, and scroll down to read Nissan's brief press blast.