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Recharge Wrap-up: Lucky fan to drive Porsche 918 Spyder, Avis Denmark has 861 Nissan EVs

A Tesla Model S customer shares his story of ownership over the course of 120,000 miles. Dante Richardson describes new software updates as being akin to anticipating the prize in a box of Cracker Jacks. Over the many miles he's driven the car, he has only learned to enjoy it more. "I don't know if it's the software updates or some of the other changes that have occurred with the car, but I find myself increasingly enamored and happy with the car as time has passed," Richardson says. His Volvo C70, in the meantime, usually sits idle as he opts to drive the Tesla. Read more at Tesla's website. A Facebook fan from Austria has won the opportunity to drive the Porsche 918 Spyder more than 622 miles. As part of a celebration for Porsche accumulating 10 million likes on the social media platform, Ingo Georges Vandenberghe will drive from London to the Porsche Experience Centre at Silverstone, via Wales and the Cotswolds, stopping occasionally to have other fans meet up to see and sign the car. It's a rare opportunity for the lucky driver, as every example of the high-performance Porsche hybrid has been sold. Read more at Hybrid Cars, and learn more about the celebration at Porsche's microsite. Avis Denmark now has the largest fleet of Nissan electric vehicles in Europe. The company has ordered 401 new Nissan e-NV200 vans and 60 Nissan Leafs for its leasing scheme. This is in addition to the 400 Leafs the Avis added to its fleet last year. "We had great success already with the Nissan Leaf in Denmark and we leased all of the units we purchased from Nissan very quickly, which has led to us ordering more," says Kasper Gjedsted, managing director of Avis Denmark. "To follow up that success we have decided to add the e-NV200 vehicle to broaden our offering and appeal to new types of customers." Read more in the press release below. AVIS ORDER CREATES EUROPE'S LARGEST FLEET OF NISSAN ELECTRIC VEHICLES - AVIS Denmark orders 401 Nissan e-NV200 vans and 60 Nissan LEAF electric cars - Combined with last year's order of 400 LEAFs, Avis now has largest EV fleet in Europe Copenhagen, 29th April 2015 - Nissan and AVIS Denmark have signed a deal to create the largest fleet of Nissan electric vehicles anywhere in Europe, with a new order of 401 Nissan e-NV200 vans and a further 60 units of the 100 percent electric Nissan LEAF.

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.

Renault and Nissan forge deeper alliance

If the automotive industry's current era could be summarized by one trend - from a corporate aspect, anyway - surely it would be conglomeration. But of all the major auto groups that have emerged over the past several years, none have kept themselves at arm's length quite like the Renault-Nissan Alliance.
Much like Fiat and Chrysler, Renault and Nissan are presided over by a common chief executive. But whereas Sergio Marchionne's Italian-American alliance has moved swiftly from a transatlantic partnership to a merged company in the span of less than five years, Carlos Ghosn's Franco-Japanese alliance has stood oceans apart since 1999. But now the Renault-Nissan Alliance is following the lead set by Fiat Chrysler Automobiles in bridging that distance through several key measures.
For one, Renault and Nissan will make increased use of common platforms, R&D, systems and testing. The two automakers will also cooperate more closely on manufacturing and supply chain management, purchasing and human resources. To manage the increased cooperation, the alliance has appointed several new executive vice presidents from within its ow ranks and a new management committee to be chaired by Ghosn, details about which you can read in the press release below.