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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.

2013 Nissan Frontier gets substantial price drop, better fuel economy

With the competition dwindling (or dying) among compact trucks, Nissan is looking to make some minor changes to the 2013 Frontier to snag a few extra sales for its aging pickup. Pricing and fuel economy are probably two of the most important vehicle stats among new-car buyers, and the 2013 Nissan Frontier has made vast improvements in both areas over the 2012 model.
First things first: The MSRP of both the King Cab and Crew Cab models have dropped by $1,270 with new starting prices of $17,990 and $22,030 (*not including the $845 destination charge), respectively. The biggest price drop is seen on the SV Crew Cab 4x2, which dropped $1,450 to its new price of $23,990. The important thing here is that the 2013 Frontier King Cab is now priced just a few hundred dollars more than a regular cab version of the Toyota Tacoma. Nissan is also offering a new SV Value Truck Package that includes all the equipment of the previous SV Premium Utility Package (spray-on bedliner, Utili-Track in-bed cargo system with four adjustable cleats and Bluetooth) and adds in a rearview monitor and dual-zone air conditioning.
Another key change made for 2013 was to the Frontier's fuel economy. Except for the base-model truck (King Cab, inline-four, manual transmission, two-wheel drive), all other configurations have seen increases in city and/or highway fuel economy to the tune of one or two miles per gallon; the biggest improvement was to the V6 models with the automatic transmission, which saw an improvement of one mpg city and two mpg highway. Nissan accomplished this with better aerodynamics and updated internal engine components to reduce friction. Aero changes include a seal between the cab and bed, a tailgate spoiler and a new front chin spoiler. For more details on the 2013 Frontier - including a full pricing breakdown - scroll down for the official press release.

Driving the Kia K5 and Mini Cooper JCW GP, plus an interview with Jimmy Chin | Autoblog Podcast #637

In this week's Autoblog Podcast, Editor-in-Chief Greg Migliore is joined by Senior Editor, Green, John Beltz Snyder and News Editor Joel Stocksdale. They veer off right away into talking about their dream project garages. Next up is news, including some info on the next Nissan Z car, the Honda Fit being discontinued in the U.S., new Mercedes-Benz EQS details, and some talk about the new, electric GMC Hummer being adapted for the military. Then they talk about driving the new Kia K5 sedan and the Mini Cooper JCW GP, before they opine about the 1966 Pontiac GTO. Autoblog Senior Producer Chris McGraw interviews Oscar-winning filmmaker Jimmy Chin about his collaboration with Ford for the Bronco reveal, and more. Finally, our editors help a listener in the U.K. pick a used vehicle in the "Spend My Money" segment. Autoblog Podcast #637 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 Rundown Some thoughts on project cars News Nissan suggests the next-generation Z won't be electrified at launch Fit Is Gone! Honda drops subcompact hatch in U.S. Mercedes-Benz announces the electric EQS will offer over 435 miles of range GMC's electric Hummer could someday serve alongside the Humvee in the U.S. Army Driving the 2021 Kia K5 Driving the 2020 Mini Cooper JCW GP 1966 Pontiac GTO: Love it or hate it? We talk Ford Bronco and other adventures with Oscar-winning filmmaker Jimmy Chin Spend My Money Feedback Email – Podcast@Autoblog.com Review the show on iTunes Related Video: