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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 tests fully autonomous ProPilot tech on Tokyo roads

We've been hearing a lot about Nissan's ProPilot technology lately. ProPilot Assist is coming to the U.S. in the Rogue, as well as the Leaf EV. For this generation, the system allows for Level 2 autonomous driving, which is essentially adaptive cruise control paired with a lane-keeping function. Later, Nissan will add ProPilot Park, which allows the car to park itself. The next generation of ProPilot, though, allows for Level 4 fully autonomous driving, even on urban streets, beginning in 2020. Nissan has announced that it has already tested it on public roads during a demonstration in Tokyo. The prototype test vehicle is an Infiniti Q50. It's fitted with 12 cameras, 12 sonar sensors, nine millimeter-wave radar sensors, six laser scanners and high-definition mapping, all run through artificial intelligence. With this combination of hardware and software, the Q50 prototype can navigate across town or on the highway, automating the entire driving duties from the moment the passenger selects a destination until their arrival. It can tackle busy intersections and respond to obstacles in the road, providing what Nissan claims is a "human-like driving feel that gives passengers peace of mind." View 29 Photos "Our next-generation ProPilot prototype showcases technology that will be available for real-world use from 2020," said Takao Asami, Nissan's senior VP of research and advanced engineering. "Today's demonstration is another example of our successful work toward creating an autonomous driving future for all." Autoblog has already had the chance to sample the current generation of ProPilot Assist, in both the Leaf and the Rogue. While there has been a little bit of disagreement in our office, most of us have found the technology to work fairly well, and are looking forward to trying the next generation of semi-autonomous and autonomous systems. As the tech advances, it will only get smoother and smarter. Related Video: News Source: Nissan Green Infiniti Nissan Technology Emerging Technologies Autonomous Vehicles Electric Videos Sedan nissan propilot propilot

Nissan itself will be indicted alongside Ghosn, report says

Prosecutors in Tokyo are expected to file charges against Nissan itself alongside an expected indictment against former Chairman Carlos Ghosn as part of the ongoing financial misconduct case. That's according to a report from Japan's Nikkei business daily, which does not identify its sources. Charges are also likely against Greg Kelly, a member of Nissan's board of directors who was taken into custody with Ghosn Nov. 19 after Japanese authorities questioned the former chairman aboard a corporate jet at the Tokyo Haneda airport. Monday is the deadline when prosecutors must either indict the two executives, release them or arrest them on new allegations. Both men are accused of under-reporting salaries in five annual reports that stretch through the fiscal year that ended in March 2015. The Nikkei says they'll also be arrested on new allegations of misstating financial information for the subsequent three business years. Nissan would be charged for not preventing the alleged crime. Both men have reportedly denied the allegations. In response to the Nikkei report, a spokesman for Nissan told Automotive News the company had "identified serious misconduct related to the reporting of Mr. Ghosn's compensation" and was cooperating with investors. The turmoil over Ghosn prompted the automaker to scrap plans to unveil a long-awaited longer-range Leaf electric car at the L.A. Auto Show last week. Ghosn is accused of conspiring to understate his income by about half the 10 billion yen (about $88 million) over the period. Reports say the issue relates to deferred compensation that Nissan CEO Hiroto Saikawa reportedly signed off on but may not have understood. The company didn't report the deferred compensation in Japanese securities filings as it is required, since the money is considered a future liability against the company. Automotive News cites an unnamed source who says Nissan has identified some $80 million in unreported deferred compensation promised to Ghosn. Nissan's board voted Nov. 22 to oust him as chairman, and Mitsubishi followed suit days later. Ghosn remains the CEO and chairman of Renault, however. Under Ghosn's guidance, Nissan and Renault joined forces in 1999 when Nissan was teetering toward bankruptcy. Mitsubishi joined on in 2016, with all three members able to jointly develop products and control costs. He had reportedly been pushing for deeper ties, including a possible merger between Nissan and Renault at the urging of the French government.