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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.

Will Nissan's Cummins deal upset Ram's marketing mojo? [w/poll]

Ram has used Cummins engines in its heavy duty trucks since 1989, and it is the only pickup truck brand to use products from the Indiana-based engine maker. With the announcement that the next Nissan Titan will also use a Cummins powerplant, and a Nissan spokesman having already said "We will definitely leverage the Cummins brand name," a piece in Automotive News wonders whether the deal will affect the way Ram markets its tie-up with Cummins.
The question really is, how intense is this competition? While it is the first time that trucks from two different brands have used Cummins engines, they'll be two different engines in two different kinds of trucks; Nissan is going to put a 5.0-liter turbodiesel in a non-heavy-duty Titan, Ram only uses its 6.7-liter, inline six-cylinder turbodiesel in heavy-duty offerings. The diesel that Ram will offer in its light-duty, half-ton 1500 is a 3.0-liter V6 EcoDiesel with 240 horsepower and 420 pound-feet of torque - compared to about 300 hp and 550 lb-ft expected from the Titan's Cummins - and its marketing so far has focused on the fuel economy gains.
If Nissan was going to prove its commitment to the segment, it had to do something compelling. If we're talking about sales competition between Ram and Nissan, Ram has sold 201,633 trucks as of July this year, up 24.2 percent, 31,314 of those sales coming last month; Nissan has sold 10,020 Titans through the end of July, down 21.1 percent, and just 1,168 in July itself. Nissan's new truck boss - who hopped there from Ram - said that buyers have asked for a powerful turbodiesel in something other than a heavy duty pickup, and from what we've read on various comment boards, the pickup truck crowd is excited about Nissan's move.

Recharge Wrap-up: Renault EV movie, H2 fueling in Paris

Renault has debuted a new documentary called Le Peuple Electrique, or The Electric People. The film features two drivers touring France over the course of three weeks in a Renault Zoe electric vehicle. Along the way, the duo meet and come to rely upon other members of the EV driving community. Renault is showcasing the film at the COP21 summit in Paris to give an insight into the culture of electric vehicles. See the film above (it's in French), and read more in the press release from Renault.Nissan and Renault have joined forces for an ad campaign for their electric vehicles. The campaign, which focuses on the Nissan Leaf and Renault Zoe, coincides with the COP21 environmental summit, for which the automakers have supplied 200 electric cars as shuttles for attendees. The ad campaign consists of press, posters, and a series of six videos, each 15 seconds in length, to be shown on social media networks in France, the UK, Germany, Spain and Italy. Read more from Renault.Air Liquide has announced a hydrogen fueling station for fuel cell taxis in Paris. Electric taxi company STEP plans to launch a fleet of at least 70 Hyundai ix35 (Tucson) Fuel Cell taxis in the next five years. The fueling station will be located at Cours Albert 1er near the Eiffel Tower, so this is truly in the heart of the city. "This first station will allow us to promote the benefits of hydrogen as a clean energy for vehicles with consumers," says Air Liquide's Francois Darchis. "Hydrogen offers a concrete solution to the challenges posed by the issue of sustainable mobility, reducing greenhouse gas emissions as well as local pollution in urban areas." Read more from Air Liquide, or at Technologic Vehicles.The world's largest ultra-fast EV charging station is now operational in Beijing, China. Located at the Xiaoying Public Transit Bus Terminal, the station is capable of charging buses to 100 percent in as little as 10 minutes. It features 25 360-kW chargers and five 90-kW chargers, and enough space for 30 buses at a time. The buses come in to charge two or three times a day during their regular operation. Just in time, too. Read more in the press release below. World's Largest Ultra-fast EV Charging Station Goes Live in Beijing, Fully Charging Commercial Vehicles in 10 Minutes This 26,500 m(2) EV charging complex has 25 chargers at 360kW and 5 chargers at 90kW; maintaining a capacity for Ultra-fast charging 30 urban transit buses at the same time STAFFORD, Texas, Dec.