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Nissan not shuttering Leaf EV battery plants, at least not yet

The big news on the electric vehicle front today is that Nissan is considering slowing down EV battery production in the US and UK and source all of Nissan's big packs come from Japan. Nissan may also buy some batteries from the Korean company LG Chem. This is apparently causing dissent within Nissan, but it follows what Alliance partner Renault is doing in the hunt for 180-mile EVs. This change – officially denied by Nissan – raises a lot of questions here, since Nissan made a huge deal about building the Leaf pack in Tennessee a few years ago. In fact, the car's big price drop was due, in part, to localizing battery production. If the company is really going to give up on building the packs where it makes the cars, then does Nissan not see itself as being capable of producing an energy-dense battery cheap enough to compete with Tesla and its Gigafactory and GM (which, of course, has long worked with LG Chem on batteries)? Whatever Nissan decides, it needs to be ready to compete in a market that offers a $35,000, 200-mile car by 2017. "We have not taken any decision whatsoever to modify battery sourcing allocation." – Renault-Nissan's Rachel Konrad Nissan would not comment directly on the reported change, but Rachel Konrad, the Alliance's global director of communications and marketing told AutoblogGreen, "The Renault-Nissan Alliance remains 100 percent committed to its industry-leading EV program. This global commitment continues for the foreseeable future, and we have not taken any decision whatsoever to modify battery sourcing allocation. Nissan has no plans to impair its battery investments. Beyond that,we will not comment on speculation or anonymous sources, and as a matter of policy the Alliance does not confirm or deny procurement reviews." There's a point-of-view where it doesn't matter where the batteries come from if the resulting EV is competitive, price-wise. Renault CEO Carlos Ghosn, after all, said during a recent Twizy test drive that the battery is a means, and the objective is the car. In the end, Nissan is saying it has no near-term or medium-term plan to shutter plants in US or UK and CEO Carlos Ghosn says, "What's important to us is that electric car performance fully meets customer expectations." Whatever's going on, Ghosn has seen three top executives leave the Renault-Nissan family recently.

Infiniti's new VC-T changes the rules of small turbocharged engines

The upcoming Infiniti QX50 crossover does not get our pulse racing, no matter how shapely the QX Sport Inspiration concept that previews it may be. No midsize SUV does, to be fair. But it has something special under the hood – the world's first production variable-compression-ratio engine. That means the QX50's 2.0-liter turbo four, which makes 268 horsepower and 288 pound-feet of torque, will have up to 27 percent better fuel economy. Here's how it works. The trend of moving to smaller, turbocharged engines carries with it one big falsehood. Under low load when the turbo isn't needed, these engines are less efficient than an equivalent engine without a turbo because of the low compression ratio the turbo requires. That is, if you never need the extra power, you're wasting fuel. Turbocharged (and supercharged) engines use a lower compression ratio to prevent detonation. When you force extra air in a cylinder and mix it with fuel, it's more likely to prematurely go boom. Lowering the compression ratio prevents this problem, but it's less efficient. Infiniti's VC-T promises the best of both worlds, with a compression ratio that ranges from 8.0:1 for high-power turbo needs to a 14.0:1 ratio for fuel-sipping efficiency. At its heart the VC-T engine is a simple idea, but it's complicated to explain. Consider yourself warned. The photo below from Infiniti serves as a good visual overview. For the truly nerdy, this patent application covers the mechanical concept. Instead of having the pistons connected to the crankshaft, Infiniti's engine has a pivot arm with a connection on each end. One end connects to the piston, the other connects to a second lower shaft, which is controlled by an actuator arm. At any given time the engine's pistons move up and down according to the lobes on the crankshaft. But the actuator arm can change the angle of the pivot arm up and down. That is, the pistons still move in the same motion with the same stroke, but phase the entire stroke up or down. Move the pivot up and there's less room at the top, which means a higher compression ratio. Move the pivot down and the compression ratio goes down, too. As an added bonus, the lower shaft eliminates the need for counter-rotating balance shafts. Infiniti says this system works constantly and can vary the compression ratio to any number between 8:1 and 14:1. It also uses electronic variable valve timing on the intake valves to switch into Atkinson-cycle combustion for greater efficiency.

Recharge Wrap-up: Mitsubishi Outlander PHEV Finishes AXCR, Nissan Leafs drive 528 million collective miles

The Mitsubishi Outlander PHEV has successfully completed the Asia Cross Country Rally 2014. The plug-in Mitsu finished first in the EV class, and 14th overall, clocking in at 19 hours, 17 minutes and 12 seconds. For its second year in the competition, the Outlander PHEV used a new suspension with more ground clearance to help it tackle the race's treacherous terrain. Besides the glory of taking on the challenging competition, the rally helped Mitsubishi gather valuable data for EV development. The race took place over 1,367 miles of varied terrain from Thailand to Cambodia. Read more at Hybrid Cars, or visit Mitsubishi UK's Facebook page. Nissan Leaf drivers have driven more than 528 million miles worldwide. That accounts for a reduction of 150,000 tons of carbon dioxide emissions since the EV's 2010 launch. Nissan projects that Leaf drivers will surpass a collective 1 billion electric kilometers (621 million miles) by January 2015, or perhaps even sooner if sales keep increasing. The mileage data was collected through the car's CarWings telemetry. Read more at Green Car Congress. 40 percent of luxury cars will be powered by some form of electrification by 2030, according to Audi. Whether it's battery-electric, hybrid, or plug-in hybrid, electrons will be doing their share to get the well-heeled from place to place. According to an article at The Sydney Morning Herald, PHEVs are "the most promising option." The BMW i8 is a fine example, as is the Porsche Panamera S E-Hybrid, and Audi and Mercedes-Benz have plug-in plans of their own. Lexus, not so much. Read more at The Sydney Morning Herald. PGA golfer Hunter Mahan has taken delivery of a BMW i3 he won by scoring a hole-in-one. BMW offered a free, all-electric i3 to the first player to score a hole-in-one in the 2013 BMW Championship at Conway Farms Golf Club, which Mahan did on the 17th hole. The BMW Championship raised money for Evans Scholars Foundation. BMW Hole-in-One Scholar Melyzjah Smith, who was awarded a full four-year college tuition and housing scholarship in honor of Mahan's slick shot, was on hand to meet the golfer as he received his i3. Read more in the press release below. Uber has hired President Obama's 2008 campaign manager as its senior vice president of policy and strategy. David Plouffe will help the ride-hailing app navigate government policy and relations. The Taxicab, Limousine and Paratransit Association didn't think the move was a good one.