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AIMS preview: Toyota Hybrid X concept

September 8th 2008 04:35
Toyota Hybrid X concept


The Australian International Motor Show in Sydney will be held between October 9-19 and will see Japanese car maker Toyota provide a vision for the future (of hybrid cars) when it unveils the Hybrid X concept car at the show in Darling Harbour.

First unveiled at the 2007 Geneva Motor Show, the Hybrid X proposes a new design language for Toyota’s hybrid models while also acting as a technology showcase for future hybrid cars - the next-generation Prius is tipped to gain many of its styling cues from the Hybrid X.


Toyota Hybrid X concept


This spacious four-door, four-seat concept was created and developed by Toyota’s European styling centre ED² in the south of France, and has the dimensions of a conventional family car with an overall length of 4,500mm and wheelbase of 2,800mm. The width is 1,850mm and height 1,440mm.

As the latest concept to demonstrate Toyota’s world-leading Hybrid Synergy Drive® technology, the Hybrid X is at the core of the company’s strategy to develop the ultimate eco-car.

Toyota Hybrid X concept


Futuristically styled, the body shape is dominated by two ‘U’ shapes created by the upper glass frame area and the unconventional A and C pillars while the view from above gives the impression of a large X - hence the name of the concept. At the front, LED headlamps are integrated into the dashboard and are now part of the interior of the car and can communicate information such as safety distances, acceleration and braking to other drivers and pedestrians.

The customised 20-inch alloy wheels with ultra-low profile 225/40 R20 tyres are unlikely to make its way onto any production version.


Toyota Hybrid X concept interior


The futuristic theme extends to the interior with the driver allowed to set the ambience within the car, controlling sight, sound, touch and even smell. A drive-by-wire steering pad features a central screen to relay information to the driver about the energy flow path, fuel consumption and gear position.

Space-saving seats are formed using injected foam techniques, which create comfort while reducing weight. The two independent rear seats can swivel by 12 degrees to allow passengers to enjoy the scenery or conversation.

The Hybrid X Concept will be on show at the Toyota stand at the Australian International Motor Show.


[Source: Toyota; AIMS]











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Nissan Hybrid Electric Vehicle

August 11th 2008 04:25
Nissan Hybrid Electric Vehicle


Japanese car maker Nissan is well and truly on its way to launching their first production hybrid car with the recent unveiling of their lithium-ion battery powered all-electric and original hybrid electric prototype vehicles developed under the NISSAN GT 2012 business plan - 2012 being the target year for the availability of these vehicles on a global scale.

The latest all-electric prototype is based on the Infiniti G35 sedan and features a rear-wheel drive layout and a parallel-powertrain hybrid system which comprises an energy-optimising system with two clutches, where one motor is directly connected to an engine and transmission via two separate clutches. Under changing driving conditions, the motor switches between the two clutches to optimize and conserve energy utilisation as well as improve fuel-efficiency. Another benefit of this system is that it eliminates the need for conventional torque converters, contributing to higher responsiveness and linear acceleration for improved driving feel.

The Official Nissan Press Release:

Nissan Motor Co., Ltd. today unveiled all-electric and original hybrid electric prototype vehicles, both powered by advanced lithium-ion batteries. Under the NISSAN GT 2012 business plan, the company has committed to zero-emission vehicle leadership, and has announced plans to introduce an all-electric vehicle in 2010 and mass market globally in 2012.

Electric Vehicle (EV)

Powered by advanced lithium-ion batteries, the EV prototype is part of Nissan’s substantial research and development program on zero emission vehicles. This latest generation vehicle features a front-wheel drive layout and uses a newly developed 80kW motor and inverter. The advanced laminated compact lithium-ion batteries are installed under the floor, without sacrificing either cabin or cargo space.

The production vehicle to be introduced in 2010 will have a unique bodystyle and is not based on any existing Nissan model.

Hybrid Electric Vehicle (HEV)

The Nissan original HEV delivers two breakthrough technologies – a high-performance rear-wheel drive hybrid system and parallel-powertrain hybrid system. The hybrid employs Nissan’s own originally developed hybrid technology and its first rear-wheel drive hybrid powertrain.

The parallel-powertrain system comprises an energy-optimizing system with two clutches, where one motor is directly connected to an engine and transmission via two separate clutches. Under changing driving conditions, the motor switches between the two clutches to optimize and conserve energy utilization as well as improve fuel-efficiency.

The parallel-powertrain hybrid system eliminates the need for conventional torque converters, contributing to higher responsiveness and linear acceleration for improved driving feel.

The dynamic characteristics of the clutches are as follows:

* Idle-stop: The battery is used to power the motor to save on fuel.
* Regular driving: The engine is used to power the motor as well as regenerate the battery.
* Acceleration: Both the engine and battery (power assist) is used to power the motor to achieve smooth acceleration.
* Deceleration: Energy from braking is conserved and re-routed back to regenerate the battery.

Lithium-ion Battery

The advanced lithium-ion batteries used in both prototypes are sourced from the Nissan-NEC joint-venture, AESC (Automotive Energy Supply Corporation). These advanced batteries offer superior performance, reliability, safety, versatility and cost competitiveness, compared to the conventional nickel metal-hydride batteries. Its compact laminated configuration delivers twice the electric power compared to conventional nickel-metal hydride batteries with a cylindrical configuration. The compact batteries also allow for improved vehicle packaging and a wide range of applications.

Nissan has long experience in electric-powered vehicle development, commencing from the first EV "Tama Electric Vehicle" back in 1947. The company introduced the world’s first application of lithium-ion batteries to the Prarie Joy EV in 1996, followed by the ultra-compact electric vehicle, Hypermini, released in 2000. Nissan also introduced its first original hybrid vehicle Tino Hybrid back in 1999 in Japan. In 2006, the Altima Hybrid was introduced in North America using licensed technology.

Under the Nissan Green Program 2010 environmental plan, the company aims to develop new technologies, products and services that can lead to real-world reductions in vehicle CO2 emissions, cleaner emissions, and recycling of resources. Nissan continues to invest substantially in a wide range of technologies including CVT (Continuously Variable Transmission), VVEL (Variable Valve Event and Lift), clean diesels, biofuels and fuel cell vehicles.


[Source: Nissan]










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Lexus RX 400h


With Toyota Australia's announcement that a locally built Camry Hybrid will emerge in 2010, the Japanese car giant's luxury arm Lexus have reported record sales levels for its luxury hybrid models


[ Click here to read more ]
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Toyota Prius


With petrol prices tipped to reach the $2/litre mark by the end of the year, those that already think the current $1.60/litre prices are eye-watering will need to think again - or switch to hybrid cars


[ Click here to read more ]
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