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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

Green self-driving cars take center stage in Tokyo

Visions of cars that drive themselves without emitting a bit of pollution while entertaining passengers with online movies and social media are what's taking center stage at the Tokyo Motor Show. Japan, home to the world's top-selling automaker, has a younger generation disinterested in owning or driving cars. The show is about wooing them back. It's also about pushing an ambitious government-backed plan that paints Japan as a leader in automated driving technology. Reporters got a preview look at the exhibition Wednesday, ahead of its opening to the public Oct. 30. Nissan Motor Co. showed a concept vehicle loaded with laser scanners, a 360 degree camera setup, a radar and computer chips so the car can "think" to deliver autonomous driving. The Japanese automaker called it IDS, which stands for "intelligent driving system." Nissan, based in Yokohama, Japan, said it will offer some autonomous driving features by the end of next year in Japan. By 2018, it said vehicles with the technology will be able to conduct lane changes on highways. By 2020, such vehicles will be able to make their way through intersections on regular urban roads. Nissan officials said they were working hard to make the car smart enough to recognize the difference between a red traffic light and a tail light, learn how to turn on intersections where white lane indicators might be missing and anticipate from body language when a pedestrian might cross a street. Nissan's IDS vehicle is also electric, with a new battery that's more powerful than the one currently in the automaker's Leaf electric vehicle. Although production and sales plans were still undecided, it can travel a longer distance on a single charge and recharge more quickly. A major challenge for cars that drive themselves is winning social acceptance. They would have to share the roads with normal cars with drivers as well as with pedestrians, animals and unexpected objects. That's why some automakers at the show are packing the technology into what looks more like a golf cart or scooter than a car, such as Honda Motor Co.'s cubicle-like Wander Stand and Wander Walker scooter. Instead of trying to venture on freeways and other public roads, these are designed for controlled environments, restricted to shuttling people to pre-determined destinations. At a special section of the show, visitors can try out some of the so-called "smart mobility" devices such as Honda's seat on a single-wheel as well as small electric vehicles.

Ghosn flight prompts renewed focus on Japan's strict justice system

TOKYO — Carlos Ghosn's daring flight from Japan, where he was awaiting trial on charges of financial wrongdoing, has revived global criticism of the nation's "hostage justice," but in Japan is prompting talk of reversing more lenient curbs on defendants. The ousted boss of Japan's Nissan and France's Renault fled to Lebanon, saying on Tuesday that he had "escaped injustice" and would "no longer be held hostage by a rigged Japanese justice system." Ghosn was first arrested in November 2018 when his private jet landed in Tokyo and kept in jail for more than 100 days as prosecutors added more charges, all of which he has denied. He was released on $9 million bail in March — only to be arrested and bailed again the following month. He was facing four charges, including underreporting his Nissan salary and transferring personal financial losses to his employer's books while he ran Japan's No. 2 automaker. His apparent escape from Japan's legal system — Tokyo and Lebanon don't have an extradition treaty — will likely halt or even reverse a trend of recent years toward granting bail in more cases, said Colin Jones, a law professor at Doshisha Law School in Kyoto. “I would expect it to be more difficult for foreign defendants to get bail,” Jones said. In Japan, suspects who deny the charges against them are often detained for long periods and subject to intense questioning without a lawyer present, a system critics call "hostage justice." Japanese civil rights groups and the main bar lawyers association have long criticized a system that convicts 99.9% of criminal defendants. They say it gives too much power to prosecutors, who can detain suspects for long periods before indictment, and relies too much on confessions, some later found to have been forced and false. Ghosn's escape is clearly a shock to Japan's legal establishment. "This case raises the extremely serious issue of whether it's all right to continue the trend toward bail leniency," said former prosecutor Yasuyuki Takai. "The legal profession and lawmakers need to quickly consider new legal measures or a system to prevent such escapes," Takai, who was formerly with the special investigation unit of the prosecutor's office, told public broadcaster NHK.