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Renault-Nissan has sold more EVs than its next two competitors combined

Nissan may not be doing so hot with sales of its Leaf electric vehicle in the US this year, but the Japanese automaker and its France-based partner Renault still remain the gold standard of electric-vehicle sellers. Thanks to numbers crunched by the good people over at EV Sales, we learn that the Renault-Nissan Alliance has moved more than 265,000 electric vehicles around the world. That accounts for more than a quarter of all the EVs sold worldwide and is more than Mitsubishi's 11 percent share and General Motors' 10 percent share combined. Nissan and Renault surpassed the quarter-million electric-vehicle mark in June. There are shifts afoot, though. Renault-Nissan's global EV market share is only 18 percent this year, and the Alliance is losing share to companies like Volkswagen, BYD, and, to a lesser extent, BMW. That shift can be seen in this year's US sales numbers, where the Nissan Leaf has pretty much plunged down. In fact, with VW and BMW broadening their inventory of plug-in models, Germany can claim the third-place spot in the list of countries with the most "electric" automakers, after China and Japan. The US is trailing, even if many people associate electric cars with California's Tesla. On that note, both Ford and General Motors have lost electric-vehicle market share this year, while Mitsubishi has essentially tread water. GM's numbers (and Nissan's, for that matter) need some context because Americans have been holding off on purchasing a first-gen Chevrolet Volt extended-range plug-in while the automaker readies a new and improved version. All told, Japanese companies have produced the most plug-in vehicles, accounting for 39 percent of the world's market so far, while the US is responsible for about one in four electric vehicles ever made. Sales '15 % Total Sales % Renault-Nissan 44,003 18 265,205 27 VW (VAG) 28,480 12 42,743 4 BYD 25,592 11 51,338 5 Tesla 24,867 10 83,587 9 Mitsubishi 24.117 10 108,883 11 BMW 15,469 6 31,822 3 Ford 11,548 5 65,696 7 GM 11,617 4 100,818 10 Featured Gallery 2015 Nissan Leaf View 12 Photos News Source: EV Sales Green Nissan Renault Electric ev sales renault-nissan

Nissan recalls over 220k Altima sedans over hoods that could fly open

Nissan will be recalling 220,000 Altima sedans, according to a new recall bulletin from the National Highway Traffic Safety Administration. Apparently, model year 2013 Altimas built between March 6, 2012 and February 28, 2013 are at risk of their hoods flying open at speed.
According to NHTSA, debris, corrosion and interference between the hood's inner panel and the secondary latch lever could bind the mechanism in the unlatched position. While this in itself won't cause the hood to fly open - there's still a primary latch that needs released from within the cabin - it presents a potentially dangerous situation should the primary latch be accidentally released.
Nissan will begin notifying owners of the affected vehicles, who will need to report to their local dealer for free repairs. Scroll down for the full bulletin from the government safety watchdog.

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.