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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 Leaf, e-NV200 get orange treatment for Ultraman Ginga S

The automobile-as-crime-fighting-teammate concept dates back at least to the 1960s Batman television series, gained further currency during the 1980s with Knight Rider and was referenced in the recent Kia ads featuring Los Angeles Clippers basketball star Blake Griffin and Jack McBrayer of 30 Rock fame. Now, Nissan has put a bright, colorful spin on the idea by tricking out both a Leaf electric vehicle and an e-NV200 electric van for the Japanese television show Ultraman Ginga S. A far cry from the aforementioned muscle cars (the Leaf powertrain delivers just 107 horsepower), the vehicles still cut dashing figures by featuring a lot of orange, a bunch of geegaws, a body kit and cannons. Yes, cannons. They were shown off at the Tokyo Toy Show. The Ultraman Ginga series debuted on Japanese television just last year, according to the Internet Movie Database (IMDB). Nissan started making the real-world e-NV200 electric van in Spain in May. No plans have been announced for US sales, though the Japanese automaker will export the van to its home country. There's an explanatory video and Nissan's press release about the Ultraman Ginga vehicles below, but we apologize in advance, as you will need to be able to read Japanese for the PR. The video has been helpfully translated. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings. ???????????????????????????? --??????????2014????????????e-NV200???????????-- ?????????(??:????????? ??:???? ???)???????????????(??:?????? ??:?? ??)??????????????????????? ???????????????100%???????????*1???6?9??????100%????????e-NV200?????????????2????????????????TV?????????????????S*2(???????????)???????? ????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? ?????????????????11?5??????????????????10????????????e-NV200???????????????????????????Leaf to Home??????????????????????????????????????????? ???7?15???????????????????S??????????????????????????????????Web?????????????????????????? ???6?12???6?15????4?????????????????????????????2014???????????????e-NV200????????????????????????????????????????????????????? (*6?12??13????????????????????????????) ????????S????????????????????????> ??: 6?12?(?)11:30~ ??: ???????? ?4??? No.4-1???????

Chrysler, Nissan minivans earn 'dire' crash test results, says IIHS [w/video]

First introduced in 2012, the Insurance Institute for Highway Safety's small-overlap frontal crash test has become the bane of many auto engineers' existence. It's a particularly steep design challenge because it forces just 25 percent of a vehicle's front end to take the brunt of a 40-mile-per-hour impact. The newly released results of four family-minded minivans underscore just how difficult the crash test is: only one scored an Acceptable rating, and the other three did very poorly. The 2008-2015 Chrysler Town & Country and Dodge Grand Caravan, plus the 2011-2015 Nissan Quest, all received Poor ratings in the test, the IIHS' lowest possible score. The three of them showed significant crash intrusion into the driver's area. The dummy in the Nissan actually had to be cut out of the vehicle, with an IIHS spokesperson remarking, "the structure collapsed like a house of cards." In the Fiat Chrysler Automobile vans, the steering wheels moved out of the way, making the airbag less effective and letting the driver's head hit the dashboard. While it was not actually crashed, the agency is also giving the 2009-12 Volkswagen Routan a Poor score because it shares a structure with the FCA models. The newly released results of four minivans underscore just how difficult the small-offset crash test is. The refreshed 2015 Toyota Sienna (shown), conversely, earned an Acceptable rating and is also a Top Safety Pick+ because of its optional forward collision warning and automatic braking system. While the crash test dummy moved around during the impact more than the agency would have liked, sensors showed a low risk of injuries. The IIHS tested the Honda Odyssey last year, and it earned a Good overall score, the agency's best ranking. It's also a Top Safety Pick+ vehicle. The only member of the minivan segment left to test is the latest Kia Sedona, and the Institute is reportedly waiting a little longer for Kia to make changes to improve the model's performance. When reached for comment, Nissan spokesperson Steve Yaeger provided Autoblog with the following statement: "Nissan is committed to vehicle safety and believes that consumers should have information about crash protection so they can make educated buying decisions. Nissan is proud of the 2014 Quest's "good" rating in the IIHS front moderate overlap and side impact tests as well as a "good" head restraint rating.