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Nissan ZEOD RC completes 24 laps at Le Mans

Well, that's a nice start. Nissan says a test version of its ZEOD RC racecar has completed its first 24 laps at Le Mans in France. And, aside from two "small technical issues," things went swimmingly. The ZEOD (which stands for "zero emissions on demand") RC pairs a 1.5-liter, three-cylinder engine with a couple of electric motors and includes regenerative braking. The Japanese automaker first started testing the vehicle last fall. The first ZEOD prototype was unveiled at Le Mans last summer. Driven by Wolfgang Reip and Tommy Erdos, the test-version ZEOD suffered from a broken fuel pump and faulty exhaust, but still completed "large sections" of the circuit on electric power alone, so Nissan is gonna call the test run a success. The goal, of course, is to complete a single, 8.5-mile lap at Le Mans purely on electric power. Nissan will test the real version of the ZEOD this week in the UK. Satoshi Motoyama and Lucas Ordonez will drive with Reip at the actual Le Mans race. Check out Nissan's press release below, and take a look (you can cringe a bit if you want) at a really cool crash-test video of the car from last month here. Nissan ZEOD RC on track at Le Mans for the first time SILVERSTONE, UK & LE MANS, FRANCE – The Nissan ZEOD RC completed its first 24 laps of Circuit de la Sarthe with GT Academy winner Wolfgang Reip and two-time Le Mans P2 winner Tommy Erdos at the wheel. While the car was delayed with two small technical issues – a broken fuel pump issue and a broken exhaust – today's test was an important step in the development of the car that aims to complete an entire lap of Le Mans on pure electric power. "Today has been a very important step in the development of the car and what we have achieved is actually quite remarkable," said NISMO's Global Head of Brand, Marketing & Sales, Darren Cox. "We knew we were tackling a huge challenge with the goal of building a car that could complete an entire 8.5 mile lap of Le Mans on nothing but electric power. We have certainly discovered why nobody has tackled it previously. "We completed large sections of the circuit today on EV power and learned a great deal," Cox continued. "Today was about testing the systems and ensuring the transition from electric to internal combustion power was seamless. Testing at other venues is extremely valuable but there is no substitute to running here at Le Mans.

Mercedes considering Mexico for CLA production

Would you buy a Mercedes-Benz if it were made in Mexico? That's what the German outfit is wondering, as it considers localizing production of the its new budget model at a factory operated by Nissan, of which the automaker is a joint-venture partner.
According to a report from Automotive News, moving production of American-spec CLAs from Hungary to Mexico would protect Mercedes from currency fluctuations. "Mexico is the best location for the United States," Daimler Chairman Dieter Zetsche told AN. The CLA is also expected to become the brand's volume model in the US market, which makes North American production a logical move.
In the event that Mercedes approves the plan, Nissan would expand the capabilities at its Aguascalientes, Mexico plant, allowing production to begin in 2018.

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.