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Tuesday, November 8, 2011

Nissan LEAF, 2011

 
 
 

Nissan LEAF, 2011

Launched in late 2010 in Japan, the United States, and Europe, Nissan LEAF ushers in a new era of mobility - the zero-emission era. The car is the embodiment of Nissan's radical, transformative vision for the future and the culmination of decades of investment and research.

Key characteristics of the Nissan LEAF
:
  •  Zero-emission power train and platform
  •  Affordable pricing
  •  Distinctive design
  •  Real-world range autonomy - 160km (100 miles)
  •  Connected Mobility: Advanced intelligent transportation (IT) system

The "LEAF" name is a significant statement about the car itself. Just as leaves purify the air in nature, so Nissan LEAF purifies mobility by taking emissions out of the driving experience. Pricing details will be announced closer to start of sales in late 2010; however, the company expects the car to be competitively priced in the range of a well-equipped C-segment vehicle. Additionally, Nissan LEAF is expected to qualify for an array of significant local, regional and national tax breaks and incentives in markets around the world. As an added benefit, because the vehicle has less mechanical complexity than a traditional gasoline-powered car, Nissan LEAF is designed to be friendly to the wallet as well as to the environment.

ZERO-EMISSION MOBILITY
The Nissan LEAF is powered by laminated compact lithium-ion batteries, which generate power output of over 90kW, while its electric motor delivers 80kW/280Nm. This ensures a highly responsive, fun-to-drive experience that is in keeping with what consumers have come to expect from traditional, gasoline-powered automobiles.

Unlike internal-combustion engine (ICE) equipped vehicles, Nissan LEAF's power train has no tail pipe, and thus no emission of CO2 or other greenhouse gases. A combination of Nissan LEAF's regenerative braking system and innovative lithium-ion battery packs enables the car to deliver a driving range of more than 160km (100 miles) on one full charge.

Extensive consumer research demonstrates that this range satisfies the daily driving requirements of more than 70% of the world's consumers who drive cars.

The Nissan's approach makes charging easy and convenient. Nissan LEAF can be charged up to 80% of its full capacity in just under 30 minutes with a quick charger. Charging at home through a 200V outlet is estimated to take approximately eight hours - ample time to enable an overnight refresh for consumer and car alike.

REAL-WORLD CAR
The engineers and designers behind Nissan LEAF worked to create a competitively priced real-world car that would enable Nissan to lead mobility into the zero-emission era. To ensure comfort, spaciousness and cargo capacity, Nissan LEAF employs a completely new chassis and body layout.

DISTINCTIVE DESIGN
Even the smallest details can yield tremendous effect.
Nissan LEAF's frontal styling is characterized by a sharp, upright V-shaped design featuring long, up-slanting light-emitting diode (LED) headlights that employ a blue internal reflective design that announces, "This car is special." But the headlights do more than make a statement. They are also designed to cleverly split and redirect airflow away from the door mirrors, thus reducing wind noise and drag. And, the headlights provide yet one more benefit in that they consume just 10 percent of the electricity of conventional lamps, which helps Nissan LEAF to achieve its world-class range autonomy.

Through bright trim colors inside, Nissan LEAF creates a pleasing and stylish cabin environment. An environmentally friendly "blue earth" color theme originates from the Aqua Globe body color of Nissan LEAF's introductory model. This theme is carried into the interior through blue dashboard highlights and instrument illumination.

CONNECTED MOBILITY IT SYSTEM
Nissan LEAF employs an exclusive advanced IT system. Connected to a global data center, the system can provide support, information, and entertainment for drivers 24 hours a day.

The dash-mounted monitor displays Nissan LEAF's remaining power - or "reachable area" - in addition to showing a selection of nearby charging stations.
Another state-of-the-art feature is the ability to use mobile phones to turn on air-conditioning and set charging functions - even when Nissan LEAF is powered down. An on-board remote-controlled timer can also be pre-programmed to recharge batteries.

HOLISTIC APPROACH TO ZERO-EMISSION MOBILITY AND ECO-FRIENDLY INNOVATION
Nissan LEAF is a critical first step in establishing the era of zero-emission mobility; however, Nissan recognizes that internal-combustion engine (ICE) technologies will play a vital role in global transportation for decades to come. Because of this, Nissan is implementing its zero-emission vision through a holistic approach, which provides consumers a comprehensive range of eco-friendly technologies from which to choose.

While zero-emission is the ultimate goal, the company is committed to ongoing innovation in eco-friendly technologies that increase efficiency and reduce emissions. As a result, Nissan offers a comprehensive suite of automotive technologies, including CVT, Idle Stop, HEV, Clean Diesel, and ongoing research and investment in FCV technology.

WORLDWIDE PARTNERS
Zero-emission mobility programs under the banner of the Renault-Nissan Alliance include partnerships with countries such as the UK and Portugal, local governments in the Japan and the USA, and other sectors, for a total of nearly 30 partnerships worldwide.

In these partnerships major efforts focus on three areas:
  •  Development of a comprehensive charging infrastructure through public and private investment,
  •  Incentives and subsidies from local, regional, and national governments, and
  •  Public education on the individual and societal benefits of zero-emissions mobility.

ZERO-EMISSION VEHICLE PRODUCTION

Nissan LEAF is the first in the company's forthcoming line of EVs and is a major milestone in the realization of the Renault-Nissan Alliance's vision for zero-emission mobility. The first of Nissan's EV's will be manufactured at Oppama, Japan, with additional capacity planned for Smyrna, Tennessee, USA. Meanwhile, lithium-ion batteries are being produced in Zama, Japan, with additional capacity planned for the USA, the UK and Portugal, and other sites for investment are under study around the world.

Nissan Juke, 2011

 
 
 

Nissan Juke, 2011

The Nissan Juke is set to change the urban landscape... for the third time. Following in the wheeltracks of the Murano large crossover and then the successful Qashqai - the car that three years ago introduced the concept of a crossover as an alternative to the traditional C-segment hatchback - comes its younger brother, the Nissan Juke.

Designed to bring a breath of fresh air to the B-segment, Nissan Juke is a distinctive combination of SUV toughness and sporting style. Conceived to inject some masculinity and dynamism into the small car market, Nissan Juke combines a number of seeming contradictions beneath its highly individual lines.

From a design standpoint, the lower portion of Nissan Juke is pure SUV, with chunky wheels, wide tyres, extended ground clearance and a robust stance. But the top portion is unadulterated sports car, with a high waistline, slim visor-like side glass graphics and a coupé-style falling roofline. The coupé effect is further underlined by the rear doors which have their handles hidden in the frame of the door.

The Inside,
the sports car theme continues with a driver-focused cabin dominated by a centre console design inspired by a motorcycle fuel tank. Finished in a distinctive high gloss colour, the 'bike' console adds a sense of fun to the car. Practicality is assured by the rear-opening hatch and versatile luggage area with hidden storage opportunities.

Based on the Renault Nissan Alliance B platform, Nissan Juke has a 2530mm wheelbase. On front-wheel drive versions, suspension is by MacPherson struts at the front with a torsion beam at the rear while four-wheel drive models have a multi-link rear suspension modelled on the system found on Qashqai.

The second petrol engine is a newly developed version from Nissan's trusted HR-family. Designated HR16DE, the lightweight, low-friction 16-valve unit now has a unique dual injection system allowing finer metering of the fuel sprays for better combustion and develops 86kW (117PS). The K9K 81kW (110PS) 1.5-litre dCi common rail diesel offers excellent driveability - thanks as much to its heady 240 Nm of torque - with good economy and emissions.
The design team drew inspiration for Nissan Juke's design from a number of unusual sources. They looked back at a number of vehicles synonymous with an active and sporting life - and that list included rally cars and motorbikes. It's clear to see where those ideas have influenced the design.

The result combines a number of different themes, but with Nissan DNA threaded through. It has a tough solid body to reflect the SUV element, yet is a very sensual car, too, with complex curves and a coupé profile accentuated by the narrow side glass and hidden rear door handles which help give the impression of two rather than four doors.

With generous ground clearance, big wheels and tyres, a high waistline and a broad shoulder line, the bottom 'half' of the car appears to be pure SUV. The impression is accentuated by typical SUV features such as the contrasting black sill and wheel arch finishers while at the front and rear, the lower bodywork emerges from underneath the car, resembling underbody protection.

At the front, the 'sump guard' forms part of the air intake assembly but rather than use a simple meshed grille, the design team have developed the moulding into a series of circular slots… which are suggestive of biotic elements.

Above the waistline, however, Nissan Juke shows its sporting credentials. A heavily raked windscreen, complete with Nissan's signature Crossover upswept flick to the rearmost side window - and sloped roof-line provide a profile reminiscent of an aircraft's canopy.
The rear of the roof incorporates an integral spoiler to reduce aerodynamic lift to help high speed stability. The neat duck-tail ridge was perfected with computational fluid dynamics (CFD) and tests in the wind tunnel.

The lights also reflect the car's sporting agility. At the front these are split into two distinct elements. Framing the upper half of the bonnet, thin slashes contain running lights and turn indicators, while the main and dipped beams mounted lower on the nose of the car were inspired by the auxiliary lamps fitted to rally cars in the sixties and seventies. At the rear, the tail-lights put their own spin on the boomerang shaped lamps found on the 370Z.
In total, a nine colour palette of exterior colours is planned, including two whites, a solid and a pearl, and three shades unique to Nissan Juke - Force Red, Haptic Blue and Machine Brown, though the total availability will depend on region.

Interior design
Nissan Juke's active, sporting exterior is matched by its interior… where the dominant feature also displays a sense of fun: the centre console, finished in a high gloss paint, resembles a motorcycle fuel tank.
Reflecting the exterior's blending of SUV and sports car attributes, the interior provides the commanding driving position but with all the attributes expected of a sports car. The gear shift sits on the top of the 'motorbiketank' to guarantee slick changes while the tank itself is no mere styling statement but also provides a bracing point for the driver's knee during spirited cornering.

Platform
Nissan Juke is based on Renault Nissan Alliance B-Platform and has a 2530mm wheelbase, is 4135mm long, 1765mm wide and 1570mm tall. To allow the top of the range to use 17-inch wheels and 215/55 R17 tyres, the track front and rear is 1525mm, the widest yet seen on the Alliance B-platform.

As new models evolve so a platform will undergo a number of changes, and Nissan Juke's underpinnings are no exception. For its application on Nissan Juke, it has been lengthened, widened and significantly strengthened and lightened to enhance safety, refinement, and fuel efficiency.

Though the basic suspension system mirrors that found on other B-segment cars, with MacPherson struts at the front and a torsion beam at the back, a new cradle-type front subframe has enhanced the lateral stiffness of the assembly. Along with revised front suspension geometry, this has helped to promote better handling and ride comfort along with greater refinement.

Engines and drivetrains
In Europe, there will be three engine and manual or CVT transmission choices when Nissan Juke sales start in the second half of 2010. At the top of the range is a newly developed 1.6-litre Direct Injection Gasoline turbocharged engine which develops 140kW (190PS) and 240Nm.

A low friction and lightweight design, the 16 valve engine uses direct injection to improve combustion to optimise power and torque, economy and emissions. The addition of a turbocharger and intercooler helps to boost power - this engine is one of the most powerful in its class - while variable timing control for both intake and exhaust cycles (twin VTC) improves low end engine response. A degree of overlap allows exhaust gas recirculation.

With power rated at 81kW (110PS) at 4,000 rpm and torque at an impressive 240 Nm at 1,750 rpm this unit features a fuel return rail and control unit for improved fuel efficiency. Injection pressure is 1,600 bar. Improved glow plug performance speeds up cold start performance. Emission control systems include a diesel particulate filter (DPF), with a fifth injector for regeneration and cooled exhaust gas recirculation while the turbocharger layout altered to make the distance between it and the DPF as short as possible.

The updated XTRONIC CVT unit, used with the conventional 1.6-litre petrol engine, is 10 per cent shorter than before and 13 per cent lighter while internal friction has been reduced by a remarkable 30 per cent. This unit is the world's first CVT with a sub planetary gear which allows a far higher transmission ratio - 7.3:1 - than previous Nissan CVTs. Smaller, lighter pulleys, a flexible lock up damper and a more efficient oil pump all promote great fuel efficiency.

The XTRONIC CVT with 6-speed manual mode in the turbocharged petrol-engined Nissan Juke has been tuned for a more sporting performance with revised manual modes for sharper acceleration while the management system has been reprogrammed to enhance fuel efficiency. Both CVTs have adaptive shift control systems that can be selected via the Nissan Dynamic Control System.

Unusually in its class, Nissan Juke will be available with the option of four-wheel drive in addition to conventional front-wheel drive. A newly developed all-wheel drive system is based on Nissan's ALL-MODE 4x4-i electronic technology but which now adds a lateral torque-vectoring capability to its armoury.

As well splitting torque front to rear - upto a maximum of 50:50, it can now be split from side to side across the rear axle, too. By monitoring vehicle speed, wheel speed, gear position, steering angle, lateral G forces and now vehicle yaw rate, torque distribution can be increased to the outside rear wheel in corners to cut understeer and enhance the car's cornering ability. In total, upto 50% of the total available engine torque can be sent to either rear wheel.

Equipment and model lines
Just about the only conventional aspect to Nissan Juke is the model line-up, which follows Nissan's established Visia, Acenta and Tekna lines. Lists of standard and optional equipment will be released nearer the on sale date, but expected items such as climate control, leather upholstery, rear view camera and Intelligent Key will all be available to Nissan Juke customers along with some more unusual features.
One such is Nissan Dynamic Control System, a central command and display module which allows the driver to alter dynamic drive settings as well as make changes to more obvious functions such as climate control.

Accessories
Though Nissan Juke has a long list of standard equipment, Nissan has developed a full range of accessories enabling owners to personalise their cars still further. Among the items on offer are different designs of alloy wheel as well as front and rear under body protectors to accentuate the SUV element of the design.

Other exterior features include exhaust finishers, a roof spoiler and wind deflectors on the doors, while inside an owner can add illuminated door sills and interior accent lighting. Practical touches include advanced security systems as well as extra storage opportunities in the front armrest and in the luggage area.
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