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Autoblog Podcast #418

Episode #418 of the Autoblog Podcast is here, and this week, Dan Roth, Steven Ewing, and Brandon Turkus talk about the big news from the 2015 Chicago Auto Show, as well as the rumors that Apple is building its own car, codenamed Project Titan. Of course, the podcast starts with what's in the garage and finishes up with some of your questions, and for those of you who hung with us live on our UStream channel, thanks for taking the time. Check out the rundown with times for topics, and you can follow along down below with our Q&A. Thanks for listening! Autoblog Podcast #418 Topics 2015 Chicago Auto Show Apple working on Project Titan electric car In The Autoblog Garage 2015 Porsche Macan Turbo 2015 Ford Expedition 2015 Nissan Juke Hosts: Dan Roth, Steven Ewing, Brandon Turkus Runtime: 01:23:23 Rundown Intro and Garage – 00:00 Chicago show – 30:08 Apple car – 51:42 Q&A – 59:16 Get The Podcast UStream – Listen live on Mondays at 10 PM Eastern at UStream 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

Nissan GT-R Nismo 'Ring time makes it track's 'fastest volume production car' [w/video]

Performance cars are fun to drive and all, but at the end of the day ,owners drop big bucks on what are often ridiculously unpractical vehicles for the bragging rights. And when it comes to ultimate bragging rights, few get more publicized than lap times for everyone's favorite stretch of German pavement, the Nürburgring. Enter the 2015 Nissan GT-R Nismo.
After rumors about a 7:08 lap time appeared yesterday, Nissan confirmed has confirmed the news today with video footage of the run, which took place on September 30. The official lap time is just seven minutes and 8.679 seconds, putting the GT-R Nismo about 11 seconds off the pace of the Porsche 918 Spyder - some six seconds quicker than the far costlier Lexus LFA. Some admitted - but hard-to-spot - missteps by Nissan driver Michael Krumm would indicate that the car actually left some time on the table.
With this time, Nissan claims that the 595-horsepower GT-R Nismo is the "fastest volume production car" around the track. The definition of "volume" could surely be contested here, though, considering the small numbers in which the GT-R is sold. While we don't have global GT-R sales figures, this year has only seen 1,063 units sold through October, and there were close to 1,300 sold in all of 2011 and about 1,200 in 2012. While this loosely defined claim will only add to the Nürburgring lap time squabbling, it is no less impressive. Check out the record run for yourself in the video below, which is accompanied by an official press release.

DC fast charging not as damaging to EV batteries as expected

As convenient as DC fast charging is, there have been lots of warnings that repeated dumping of so many electrons into an electric vehicle's battery pack in such a short time would reduce the battery's life. While everyone agrees that DC fast charging does have some effect on battery life, it may not be as bad as previously expected. Over on SimanaitisSays, Dennis Simanaitis, writes about a recent presentation by Matt Shirk of the Idaho National Laboratory (INL) called DC Fast, Wireless, And Conductive Charging Evaluation Projects (PDF) that describes an ongoing test of four 2012 Nissan Leaf EVs that are being charged in two pairs of two. One pair only recharges from 50-kW DC fast chargers, which the other two sip from 3.3-kW Level 2 chargers exclusively. Otherwise, the cars are operated pretty much the same: climate is automatically set to 72 degrees, are driven on public roads around Phoenix, AZ and have the same set of dedicated drivers is rotated through the four cars. "Degradation depends more on the miles traveled than on the nature of recharging." What's most interesting are the charts on page seven of Shirk's presentation (click the image above to enlarge), which show the energy capacity of each of the four vehicles. When they were new, the four batteries were each tested to measure their energy capacity and given a 0 capacity loss baseline. They were then tested at 10,000, 20,000, 30,000 and 40,000 miles, and at each point, the DC-only EVs had roughly the same amount of battery loss as the Level 2 test subjects. The DC cars did lose a bit more at each test, but only around a 25-percent overall loss after 40k, compared to 23 percent for the Level 2 cars. Simanaitis' takeaway is that, "INL data suggest that the amount of degradation depends more on the miles traveled than on the nature of recharging." The tests are part of the INLs' Advanced Vehicle Testing Activity work and a final report is forthcoming. These initial numbers from IPL do mesh with other research into DC fast charging, though. Mitsubishi said daily fast charging wouldn't really hurt the battery in the i-MiEV and MIT tests of a Fisker Karma battery showed just 10-percent loss over 1,500 rapid charge-discharge cycles.