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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 CEO Saikawa admits he was overpaid, in policy violation

TOKYO — Nissan Motor Co was embroiled in another scandal over executive pay on Thursday after Chief Executive Hiroto Saikawa admitted to being overpaid in violation of internal procedures under a scheme designed by ousted Chairman Carlos Ghosn. An internal investigation found that Saikawa and other executives had received improper compensation, a source with knowledge of the matter told Reuters, raising doubts about Saikawa's pledge to improve governance in the wake of Ghosn's arrest last year for alleged financial misconduct. Saikawa apologized and vowed to return any improperly paid money as he admitted to Japanese reporters earlier on Thursday that he had wrongly received stock-related compensation under "a scheme of the Ghosn era." "I am deeply sorry for causing concern," Saikawa said, according to Jiji Press. In other comments reported by Kyodo news, Saikawa denied any direct role in the execution of a stock appreciation rights (SAR) scheme and said he thought "proper procedures" had been taken. The improper payments, including tens of millions of yen Saikawa received through the SAR scheme, were disclosed on Wednesday at a meeting of Nissan's audit committee, said the source who declined to be identified because the information is not public. Disciplinary action regarding the issue would be discussed at an upcoming board meeting, the source added. Nissan said in a statement that the findings from its probe including issues related to the share appreciation rights would be submitted to its board on Sept. 9. The company has been trying to strengthen governance, slash costs and boost flagging profitability amid persistent allegations of financial misconduct stemming from Ghosn's 20-year reign at Japan's second-biggest automaker. Ghosn is awaiting trial in Japan over charges including enriching himself at a cost of $5 million to Nissan. Kyodo reported that proceedings could start as early as March. He denies any wrongdoing and says he is the victim of a boardroom coup. Confidence in Saikawa had already been shaken by accusations he was too close to Ghosn, whose arrest in November rocked the global auto industry and exposed tensions in the automaking partnership between Nissan and Renault SA.

The 11 best scenes from the 2015 Goodwood Festival of Speed

Over the last three days, the Goodwood Estate has played home to the eponymous Festival of Speed. Thrown by the biggest gearhead in the British aristocracy – Charles Gordon-Lennox, the Earl of March and Kinrara – the Festival of Speed is essentially a tremendous, gasoline-fuelled party, complete with a very large lawn sculpture, that features the world's hottest, weirdest, fastest, and loudest race, production, and historic models. While there are quite literally dozens and dozens of videos from the event – not to mention the full-day replays (of which only day one is available, at present) – we've sifted through them to pluck away the very best. There's stuff from the official Goodwood YouTube channel, as well as several videos from automakers and other third-party channels, and it's all available below. 2015 Ford Mustang GT350R Looks Barely Controllable If you thought the highest-performance Ford Mustang would somehow get more tractable or civilized once it moved to an independent rear suspension, this video shows you have nothing to worry about. Watch as an unnamed driver wrestles the new Shelby GT350R and its flat-plane, 5.2-liter V8 up the hillclimb circuit. Even with the new suspension and sticky tires, this Mustang wants to go any direction but straight, especially following its launch. 2016 Ford Focus RS, Is Very Loud, Blue Ken Block makes his first appearance on our list. Before he steps into his Hoonicorn Mustang, though, the Gymkhana expert tackled the hill in the all-new Focus RS. The vicious bellow of the 2.3-liter, turbocharged four-cylinder is the star of this commentary-free video, although the gorgeous Nitrous Blue paint job is a nice accompaniment, as well. 1965 Ford Mustang Hoonicorn Runs Hill, Nearly Kills Lord March Mr. Block's two runs behind the wheel of the Hoonicorn were, unsurprisingly, very eventful. While one attempt goes off without a hitch, seeing the American rally driver slip and slide his way to the top of the hill while taking a short break for a donut, the other is slightly more dramatic. Block, along with Lord March in the passenger seat, carries a bit too aggressive an angle into a turn and nearly puts the NASCAR-powered Mustang into the hay bales. Check out the first video above, and the second one below. Kimi Raikkonen Makes Us Miss F1's V8 Era The latest Formula One cars have been maligned for the lackluster noise produced by the new 1.6-liter, turbocharged V6.