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Chrysler, Nissan looking into claim that their cars are industry's most hackable

A pair of cyber security experts have awarded the ignominious title of most hackable vehicles on American roads to the 2014 Jeep Cherokee, 2014 Infiniti Q50 and 2015 Cadillac Escalade.
Charlie Miller and Chris Valasek are set to release a report at the Black Hat hacking conference in Las Vegas, Automotive News reports. The two men found the Jeep, Caddy and Q50 were easiest to hack based not on actual tests with the vehicles, but a detailed analysis of systems like Bluetooth and wireless internet access - basically, anything that'd allow a hacker to remotely gain access to the vehicle's systems.
Considering this lack of hands-on testing, the pair acknowledge that "most hackable" could be a relative term - they point out that the vehicles may actually be quite secure.

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

Renault-Nissan has sold 200,000 EVs, claims 58 percent global share

The all-electric Renault Zoe sold 10,000 units during its first year on sale and the French automaker has sold a total of about 51,500 EVs since starting sales of its four-vehicle EV lineup in 2011. Renault's collection also includes the Twizy two-seater, the Fluence sedan and the Kangoo van – just look at the awesome concepts from 2009 in the gallery above. Throw in the fact that the Nissan Leaf has sold around 150,000 around the world and some sales of the e-NV200 delivery van, and we get to a banner headline for the Renault-Nissan Alliance: the companies have sold over 200,000 EVs since the Leaf went at sale in the end of 2010. The Alliance announced it crossed the 100,000 EV sales mark in July 2013, so we can calculate that the two companies are selling roughly 6,250 EVs a month, with the Leaf making up the bulk of that figure (the car is averaging around 3,000 units a month in the US alone). Nissan says that Leaf has cumulatively sold around 67,000 Leafs in the US, 46,500 in Japan and 31,000 in Europe. The 6,250 sales per month is a rough estimate, since the Alliance says its sales are up 20 percent this year compared to last. Still, all told, Renault-Nissan claims it has 58 percent of the global market share for EVs, and its battery-powered vehicles have driven four billion kilometers (2.48-billion miles), which has prevented 450 million kilograms of CO2 from entering the atmosphere. Who wants to bet when the 300,000 threshold will be crossed? Renault-Nissan Alliance sells its 200,000th electric vehicle Renault-Nissan EVs have driven 4 billion kilometers and enjoy 58% of zero-emission global market share Nissan LEAF remains best-selling EV ever; Renault led in Europe last month Alliance launches monthly video series introducing electric vehicle owners from around the world sharing their personal stories with their zero-emission car PARIS/YOKOHAMA (Nov. 26, 2014)-The Renault-Nissan Alliance has sold its 200,000th electric vehicle and has a leading 58% market share for zero-emission cars. Together, Renault and Nissan EVs have driven approximately 4 billion zero-emission kilometers – enough to circle the earth 100,000 times. Renault-Nissan's EVs represent 200 million liters of fuel saved – enough to fill about 80 Olympic-sized swimming pools. Alliance EVs also represent 450 million kg of CO2 that has not been emitted while driving.