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Infiniti's new VC-T changes the rules of small turbocharged engines

The upcoming Infiniti QX50 crossover does not get our pulse racing, no matter how shapely the QX Sport Inspiration concept that previews it may be. No midsize SUV does, to be fair. But it has something special under the hood – the world's first production variable-compression-ratio engine. That means the QX50's 2.0-liter turbo four, which makes 268 horsepower and 288 pound-feet of torque, will have up to 27 percent better fuel economy. Here's how it works. The trend of moving to smaller, turbocharged engines carries with it one big falsehood. Under low load when the turbo isn't needed, these engines are less efficient than an equivalent engine without a turbo because of the low compression ratio the turbo requires. That is, if you never need the extra power, you're wasting fuel. Turbocharged (and supercharged) engines use a lower compression ratio to prevent detonation. When you force extra air in a cylinder and mix it with fuel, it's more likely to prematurely go boom. Lowering the compression ratio prevents this problem, but it's less efficient. Infiniti's VC-T promises the best of both worlds, with a compression ratio that ranges from 8.0:1 for high-power turbo needs to a 14.0:1 ratio for fuel-sipping efficiency. At its heart the VC-T engine is a simple idea, but it's complicated to explain. Consider yourself warned. The photo below from Infiniti serves as a good visual overview. For the truly nerdy, this patent application covers the mechanical concept. Instead of having the pistons connected to the crankshaft, Infiniti's engine has a pivot arm with a connection on each end. One end connects to the piston, the other connects to a second lower shaft, which is controlled by an actuator arm. At any given time the engine's pistons move up and down according to the lobes on the crankshaft. But the actuator arm can change the angle of the pivot arm up and down. That is, the pistons still move in the same motion with the same stroke, but phase the entire stroke up or down. Move the pivot up and there's less room at the top, which means a higher compression ratio. Move the pivot down and the compression ratio goes down, too. As an added bonus, the lower shaft eliminates the need for counter-rotating balance shafts. Infiniti says this system works constantly and can vary the compression ratio to any number between 8:1 and 14:1. It also uses electronic variable valve timing on the intake valves to switch into Atkinson-cycle combustion for greater efficiency.

Nissan Truck-a-Palooza | Autoblog Podcast #483

Episode #483 of the Autoblog Podcast is here. This week, Dan Roth, Alex Kierstein, and Michael Austin talk about the jam-packed Autoblog Garage, Alex Kierstein's time with several new Nissan trucks including the 2017 Armada, and we wrap it up trying to spend your money. Check it out! Check out the rundown with times for topics, and thanks for listening! Autoblog Podcast #483 The video meant to be presented here is no longer available. Sorry for the inconvenience. Topics 2017 Nissan Armada In The Autoblog Garage 2016 Audi R8 V10 Plus 2016 Jaguar XJR 2016 Jaguar XE Diesel 2016 Jaguar F-Pace 2016 Chevrolet Cruze Premier 2016 Kia Sedona SXL 2017 Mitsubishi Mirage GT Hosts: Dan Roth, Michael Austin, Alex Kierstein Rundown Intro & Garage - 00:00 Nissan Trucks - 19:39 Q&A - 29:38 Total Duration: 40:19 Get The Podcast iTunes – Subscribe to the Autoblog Podcast in iTunes RSS – Add the Autoblog Podcast feed to your RSS aggregator MP3 – Download the MP3 directly Feedback Email – Podcast at Autoblog dot com Review the show in iTunes Podcasts Audi Jaguar Mitsubishi Nissan

Recharge Wrap-up: Nikola One to debut in December, UK charging to outnumber gas stations by 2020

Nikola Motor Company plans to unveil its Nikola One electric truck prototype on December 2, 2016. The company, based in Salt Lake City, says it has "engineered the holy grail of the trucking industry," according to founder and CEO Trevor Milton. "We are not aware of any zero emission truck in the world that can haul 80,000 pounds more than 1,000 miles and do it without stopping. The Nikola One requires only 15 minutes of downtime before heading out for the next 1,000 miles." Nikola also has plans to build emissions-free power plants. Read more in the press release from Nikola, or at the company website. Nissan says EV charging stations will outnumber gas stations in the UK by 2020. The UK had just 8,472 gas stations at the end of 2015, down from 37,539 in 1970. Extrapolating that to 2020, the UK is expected to be home to fewer than 7,870 fuel stations. By then, and possibly much sooner, charging stations are expected to surpass 7,900, up from 4,100 in 2016. Growing interest in EVs, infrastructure expansion, and better batteries mean that "the tipping point for mass EV uptake is upon us," according to Nissan EV Manager Edward Jones. Read more from Nissan, or at Green Car Congress. BMW is expanding its ChargeNow service to 25 markets. In a partnership with EVgo, BMW i3 and i8 customers will have the option of an annual or pay-as-you-go ChargeNow membership with service in cities around the country, with "introductory pricing" available until July 31, 2017. For those i3 owners in California already enrolled in the DC fast charging program, their free access is expiring. See more details about the program and its locations in the BMW i forum, and read more at Green Car Reports. Featured Gallery Nikola One Electric Semi Truck Related Gallery BMW i3 Gesture Parking News Source: Nikola, Nikola, Nissan, Green Car Congress, Green Car Reports, The Circuit Green BMW Automakers Nissan Green Automakers Truck Commercial Vehicles Electric Future Vehicles recharge wrapup

Tesla exec calls rival EVs 'little more than appliances'

Tesla's Vice President of Business Development Diarmuid O'Connell called the company's competition "little more than appliances" at the Center for Automotive Research's Management Briefing Seminars in Traverse City, MI yesterday. "In essence, [mainstream automakers] delivered little more than appliances," O' Connell said. "Now, appliances are useful. But they tend to be white. They tend to be unemotional." According to Automotive News, O'Connell's main critique is that vehicles like the Nissan Leaf and BMW i3 don't deliver enough performance or range to draw the attention of consumers outside of a small group. The solution, in O'Connell's mind, is more power, more range, more excitement and a lower price – that last point is particularly rich coming from an automaker whose cheapest current offering, the Model S 60, costs $66,000 – although the cheaper Model 3 is on the horizon, way out there, somewhere. But some EVs are better than none, O'Connell added. "On balance, I'm happier that [traditional automakers are] doing these cars than not," O'Connell said. "I just wish they would do them better and faster." O'Connell also used his appearance at the Management Briefing Seminars to launch a volley at the Michigan legislature, blaming its opposition to Tesla's direct-sales model for the lack of available EVs in the Wolverine State. "I think if the Michigan Legislature would allow Tesla to sell cars in Michigan, we could probably address [the lack of available electric cars]," O'Connell said. Related Video:

Investigators say Mitsubishi mpg scandal was 'collective failure'

Investigators hired by Mitsubishi Motors to probe why the Japanese automaker engaged in falsifying fuel-economy figures for the past quarter-century faulted the company's "corporate culture." Specifically, there was a lack of unity between divisions, company-wide pressure to boost fuel-efficiency numbers, and an unwillingness to accept fuel-economy shortfalls, Automotive News says, citing comments made by consultants who hired by the company to investigate the problems. Challenging management authority even if it was proper to do so was also frowned upon. One of the investigators called the scandal "a collective failure." Among other suggestions, the consultants recommended that Mitsubishi's vehicle-mileage certification be independent from research and development, that there's greater transparency overall, and that there's a more thorough understanding of laws. New shareholder Nissan may also invest in retooling Mitsubishi's R&D operations, and is sending one of its former executives, Mitsuhiko Yamashita, to Mitsubishi to try to prevent any sort of repeat problems. Mitsubishi joined a list of automakers including Volkswagen, Hyundai/Kia, and Ford that have been found in recent years to either mislead with its published fuel-efficiency figures or emissions-testing procedures. A Nissan spokesman declined to comment on the Mitsubishi report, according to Automotive News. The recommendation comes less than three months after the announcement that Nissan would help rescue Mitsubishi from its fuel-economy scandal by acquiring part of the company. Nissan agreed in May to pay $2.2 billion for a 34-percent stake in Mitsubishi, and said at the time that Mitsubishi would join the Renault-Nissan Alliance. Nissan also owns 15 percent of France-based Renault. That announcement came right after Mitsubishi's admission that it may have falsified fuel-economy data for every one of its vehicles made in Japan dating back to 1991. Related Video: News Source: Automotive NewsImage Credit: Tomohiro Ohsumi/Getty Images Green Mitsubishi Nissan Fuel Efficiency scandal diesel scandal

Obama Administration wants 200-mile EV that charges in under 10 minutes

When it comes to electric vehicles, you can find issues preventing mass adoption pretty much anywhere. Which is why you can then also look for solutions pretty much anywhere. That's the method the Obama Administration announced yesterday and it involves everything from shorter charging times to more public chargers, from bigger government fleets of electrified vehicles to an "Electric Vehicle Hackathon." The new plan is looking into blistering charging speeds of up to 350 kW. Perhaps most exciting, there was a commitment made to try and increase the speed of fast charging. Today, Tesla's Supercharger network has the fastest public charging available ( up to 145 kW), but the new plan is looking into blistering speeds of up to 350 kW. That's fast enough to recharge a 200-mile EV in under 10 minutes. Another cool future was promised by the Battery500 Consortium goal, which wants to create better batteries that cost under $100 per kWh. There was no actual technology revealed at this time, but announcements like this are about new ways to approach the future, not the nitty-gritty technical details. That's why the new announcement touts the fact that 12 utilities and charging companies have committed to increase their deployment of EVs and charging infrastructure, that there are 35 new partners (businesses, non-profits, universities, and utilities) for the DOE's Workplace Charging Challenge, and that there will be an EV "Hackathon" this fall to, "discover insights and develop new solutions for electric vehicle charging." The White House's announcement comes on the heels of the first-ever Sustainable Transportation Summit (STS). The STS was sponsored by the Department of Energy (DOE) and was held earlier this month in Washington, DC. After all this activity, almost 50 companies and organizations have signed on to the new "Guiding Principles to Promote Electric Vehicles and Charging Infrastructure" document, including the usual suspects: Tesla, BMW, Nissan, Ford, General Motors, Chargepoint, the California Air Resources Board, and the State of California (notably, the usual suspects are also missing). You can read the entire announcement from the White House here, but we've put the Guiding Principles below. The Obama Administration has made strong pushes for electric vehicles before, including proposals to increase the tax credit for EV buyers to $10,000, among other things.

Nissan Leaf's lead over Renault Zoe narrows in Europe

The Nissan Leaf has seen its sales steadily decline in the US for a while now. Here, its been eclipsed by the second-generation Chevrolet Volt extended-range plug-in while people await the next-generation version of the all-electric Leaf. The EV may be starting to receive a similar response across the Pond. While the Leaf remains Europe's biggest-selling EV, that lead is eroding, as sales of the Renault Zoe are catching up, according to the European Alternative Fuels Observatory (EAFO). It's a good thing Nissan and Renault are sister companies. Through May, Nissan sold about 9,500 Leaf vehicles in Europe. The good news is that number is up 37 percent from a year earlier. There's disconcerting news, too, and that is that the Renault Zoe's sales have surged 60 percent this year to almost 9,400 units. So, for all we know, the Zoe may have caught up with the Leaf last month. Still, both models are outpacing demand for the Tesla Model S and Volkswagen e-Golf: the former's sales are little-changed this year, while the latter model's sales have dropped 34 percent. The BMW i3, Kia Soul EV, and Mercedes-Benz B250e all have had higher sales this year. As for plug-in hybrids, the Mitsubishi Outlander PHEV has maintained its substantial European lead, almost doubling sales of the Volkswagen Golf GTE and totaling almost 9,400 units sold through May. Meanwhile, the new Volvo XC90 PHEV has leapfrogged models such as the Volkswagen Passat GTE, Mercedes-Benz C350e, and Audi A3 e-Tron into third place behind the Mitsubishi and VW. Here in the US, Nissan Leaf sales through June fell 41 percent from a year earlier to about 5,800 units, while Chevrolet Volt sales have surged 75 percent to 9,808 units. Featured Gallery 2016 Nissan Leaf View 30 Photos News Source: EAFO, Getty via Green Car Reports Green Nissan Renault Electric ev sales zoe

Mystery shoppers love Infiniti, hate Tesla

Infiniti, followed by Lexus tied with Mercedes-Benz took the top two spots for best sales experience according to mystery shoppers from the latest Pied Piper Prospect Satisfaction Index, while EV manufacturer Tesla recorded the lowest overall score. Not surprisingly, premium brands dominated the top ranks. Including the three already mentioned, luxury brands occupied seven of the top ten spots and included Audi, BMW, Porsche, and the only American brand to crack the upper echelon, Cadillac. Toyota, Volkswagen, and Nissan rounded out the first ten positions. The news for domestic automakers isn't good. Aside from Caddy, the only other star-spangled automaker to score above the industry average is Chrysler. The rest of FCA, most of GM, and all of Ford fell below the line. But Pied Piper's mystery shoppers handed Tesla the biggest walloping – the company is ten full points below the next lowest brand, Volvo, and its score of 86 is 17 below the average of 103. It's baffling, considering the company's touted direct-sales model. "Tesla leaves me scratching my head," Fred O'Hagan, Pied Piper's president and CEO, told Wards Auto. "They own all of their stores, so you would think each one would be doing the same thing. But they're not. Tesla is consistent in its inconsistencies." O'Hagan added that there's a "huge variation" in Tesla's store-to-store effectiveness, and that in some cases, shoppers found showroom workers that acted more like "museum curators," Wards Auto reports. It might be popular to call Tesla the Apple of the car world, but based on Pied Piper's work, the brand has a long way to go to emulate the uniform shopping experience of an Apple Store. The news might be bad for Tesla, but even for the brands that scored below average, there's cause for celebration. Only Tesla and Mini lost points in this year's rankings, and only Mercedes and Lincoln held steady. Every other brand, including Infiniti, which topped the index for the first time, gained at least one point. The biggest improvements belong to Porsche, Land Rover, and Mitsubishi, which all jumped five points. Pied Piper's annual Prospect Satisfaction Index uses mystery shoppers – over 6,100 this year – from across the country to assess dealers and generate rankings from over 50 individual factors. News Source: Pied Piper via WardsAuto Green Audi BMW Cadillac Chrysler Infiniti Lexus Mercedes-Benz Nissan Tesla Toyota Car Buying Car Dealers study

BMW, Nissan eye Formula E entry

BMW has been involved with the all-electric Formula E racing series since the beginning. It provides the safety car in the form of the eye-catching i8, with the i3 performing medical car duties. BMW's i division even sponsored the 2016 Berlin ePrix. Nissan has also been involved with Formula E – though more tangentially so – as its French partner Renault has provided the car each team used for the first season, and sponsors its own team as well (which won the Teams' Championship both seasons so far). Now that more automakers are joining the field (notably including Jaguar's return to open-wheel racing), BMW and Nissan are reportedly considering getting in the mix to try to win some races, too. Multiple sources tell Autosport that both automakers are looking into being on the grid as early as the 2016/2017 season. Since the series already has its ten teams confirmed for the third season, Nissan and BMW would have to join an existing team for the time being, which is what Autosport's sources are saying is being discussed. Nissan refers to its consideration as a "fact-finding" mission. BMW had said earlier that it wouldn't compete as long as mid-race car swaps were part of the practice. Formula E is looking to move toward a single car format as early as the 2018/2019 season, which could make BMW's direct involvement more palatable to the automaker. As for Nissan, it would have to garner approval from the Renault-Nissan Alliance to compete against its sister company in the same racing category. Either way, it's unlikely that either manufacturer would be able to provide powertrain technology should they join teams for the upcoming season. Still, both Nissan and BMW have made strong commitments to consumer electric vehicles. To be directly involved in the competition would not only be a great way to showcase their prowess in the world of electric motoring, it could also help to bring more attention to Formula E. Related Video: Related Gallery Jaguar Formula E News Source: Autosport via Inside EVsImage Credit: Formula E Green Motorsports BMW Nissan Green Automakers Electric Racing Vehicles Formula E electric racing

Recharge Wrap-up: utility sells discounted Powerwall, Nissan-Renault builds 340K EVs

Vermont electric utility Green Mountain Power is selling discounted Tesla Powerwalls to its customers in hopes of balancing the grid. The battery packs would be used not just to help customers store renewable energy for home solar systems or as backup power, but also to occasionally discharge power back to the grid when needed. In addition to this decentralized energy storage being useful to customers, it also benefits the utility by taking demand off energy generating infrastructure during periods of peak demand. The pilot project will put 500 Tesla Powerwalls in customers' homes. Learn more at Green Car Reports, or in the story from Vermont Public Radio. Together, Nissan and Renault have built 340,000 electric cars. The allied Japanese and French automakers hit 100,000 EVs in July 2013, 200,000 in November 2014, and a quarter million in June of 2015. The Nissan Leaf, which first went on sale at the end of 2010, makes up the bulk of the EVs the Renault-Nissan Alliance has sold. Renault delivered its 50,000th Zoe EV in April 2016. Leaf sales have declined in the US in recent months, due at least in part to the anticipation of the Chevrolet Bolt and Tesla Model 3. Nissan, however, is expected to update the Leaf with a 200-mile driving range in the coming years. Read more at Green Car Reports. Students at the Bearys Institute of Technology (BIT) in Karnataka, India have built what they call the Hybrid Water Car. The car uses a system to electrolyze hydrogen from water and add it to the fuel for more efficient combustion. The system has been placed into a chopped up, lightweighted Maruti Omni. While the benefits of onboard hydrogen electrolyzers have been debated for some time, the BIT students don't plan to stop there, as their next project car will be fueled completely by hydrogen. Read more from Car and Bike. Facebook has hired Rich Heley away from Tesla. The former Tesla VP of Product Technology is making the move to the social media giant's new Building 8 research lab. Heley joined Tesla in November 2013 after working at Apple. Read more at Automotive News.