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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.

What does a world-class downhill skateboarder drive? Something very cool

Kevin Reimer has an interesting career and a fascinating car. The resident of Vancouver, BC is a professional downhill skateboarder - which we now know is a thing you can be - who sees a lot of commonality between his extreme occupation and his cherry 1991 Nissan Skyline GT-R.
The subjects of the latest Petrolicious joint, Racing Champions, Reimer waxes philosophical about skateboarding and driving down some of the same routes. You'll not be surprised to hear that riding the curves of a mountain slope, be it on a deck or in a bucket seat, both rely on grip and nerve in various measure. Scroll down to see for yourself, and don't miss the rest of our Petrolicious library when you're done.

2013 Nissan NV200 hauls itself into McCormick Place

Nissan has already announced that its NV200 will be New York City's Taxi of Tomorrow, but now small businesses can also take advantage of the compact commercial van when it goes on sale this April. Unveiled at the Chicago Auto Show, the Nissan NV200 bound for North America has been stretched by almost eight inches compared to the same van that has been on sale in other global markets since 2009. The 2013 Nissan NV200 will be built in Cuernavaca, Mexico and sold at select Nissan dealerships with a starting price of $19,990 (*excluding the $845 destination charge).
At that price, the NV200 costs thousands less than lead competitors like the Ford Transit Connect and the Ram C/V Tradesman, although it does deliver less cargo volume than both as well. Despite its longer body, the NV200's 122.7 cubic feet of volume comes in just under the 129.6 cu-ft for the Ford and well under the Ram's 155.5 cu-ft cargo capacity. The split rear doors and dual side sliding side doors will give plenty of access to the NV200's cargo area, however, and Nissan says the van is wide enough to accommodate a standard pallet.
The NV200 was designed as much to be a mobile office as it is a hauler, so Nissan made the cabin as such. The passenger seat back can fold down creating a flat space for a laptop, and the center console has been specifically designed for hanging file folders. The base NV200S includes power windows, a two-speaker AM/FM/CD audio system and a 12-volt power outlet, while the NV200 SV (starting at $20,980) adds features such as cruise control, six floor-mounted cargo tie downs, power mirrors and door locks and remote keyless entry. Options include the $950 Technology Package (available on SV only and adds navigation, backup camera and satellite radio), $250 for Bluetooth and $190 for glass added to the rear cargo doors.