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Wallpapers Hybrids - ZCars

Paris Motor Show preview: Peugeot "RC..." Concept

August 21st 2008 04:45

French car maker Peugeot is set to debut a new concept car at the upcoming Paris Motor Show and they have released a set of images to whet our appetites before the grand unveiling in October.

Referred to as the "RC..." - the name of the actual car not yet been released - the new concept car "is the missing link" between the RC "Spade" and "Diamond" concept cars revealed in 2002 and also the 908 RC from the previous Paris Motor Show in 2006.

Despite being referred to as a coupe, the "RC..." is in fact a sleekly styled four-door vehicle with four seats a la Mercedes-Benz CLS, Volkswagen Passat CC etc. and a silhouette that would put many of the current supercars to shame in the styling department.

Engine specs boasts a 'potential' 230 kW (313 bhp) and minimal impact on the environment due to its hybrid powertrain to create a vehicle that combines respect for the environment yet delivering immense driving pleasure.

More details will be revealed after its launch in Paris.

The Official Peugeot Press Release:

Environmental efficiency combined with motoring passion

The "RC...", which its full name will be revealed at the Paris Motor Show, is a concept car born from the passion and expertise of Peugeot's stylists and engineers. This "GT" coupe is the missing link between the RC ♠ et ♦ concept cars revealed in 2002 and the 908 RC, one of the stars of the 2006 Paris Motor Show. It is a real laboratory of future ideas, bringing together numerous stylistic, engineering and technological ideas in a single vehicle.

The "RC..." is an accessible and versatile car, with four doors, four seats and a highly innovative hybrid architecture.

Its aim: a very high level of efficiency both in terms of performance (with its potential 230 kW/313 bhp) and minimal impact on the environment (CO2 emissions of 109 g/km in the combined cycle or ZERO in electric mode).

It is an exciting, eco-efficient vehicle which has all the characteristics that together create a real passion for driving. A synthesis of ideas that demonstrate Peugeot, more than ever, is capable of combining respect for the environment with driving pleasure.

[Source: Peugeot]

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Posted By: charles - Category: Other makes, Wallpapers, Peugeot, Concept, Hybrids

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BMW Vision EfficientDynamics X5

February 22nd 2008 23:30

The BMW Vision EfficientDynamics based on the X5 SUV is a 2.0-litre Twin Turbo Diesel Hybrid Concept that showcases new 'green' technologies the German car maker will introduce into their production models in the future.

A 2.0-litre Twin Turbo Diesel engine rated at 150 kW (204 hp) and 400Nm is supplemented by a mild hybrid motor to deliver an extra 15 kW (20 hp) and 210Nm (thus exceeding the magical 100 hp per litre mark) under acceleration for a brisk 0 - 100 km/h time of 8.9 seconds - definitely no slouch for a hybrid vehicle.

All that is achieved while returning 43.5mpg (6.5-litres per 100 km) on the combined cycle and just 172g/km of CO2 emissions! Other innovations include a brake energy regeneration system and roof-mounted solar panels.

The BMW Vision EfficientDynamics X5 will be unveiled at the 2008 Geneva Motor Show which runs between March 6 - 16.

The Official BMW Press Release:

BMW Vision EfficientDynamics Concept Revealed Offering an insight into the future of BMW's innovative EfficientDynamics technologies

The Geneva Motor Show will mark the world premiere of the BMW Vision EfficientDynamics, a concept car designed to showcase the future direction of BMW's performance enhancing and emissions lowering innovations. Mild ActiveHybrid technology is combined with a twin-turbocharged four-cylinder diesel engine, a new eight-speed automatic gearbox and even roof-mounted solar panels, and all shrouded in a BMW X5 body.

All of these technologies combine to deliver the best fuel economy and lowest emissions of any large 4x4 currently on sale. The BMW Vision EfficientDynamics delivers 43.5mpg on the combined cycle and just 172g/km of CO2 emissions. However, these frugal figures do not translate into low performance figures. With its twin-turbocharged two-litre diesel engine delivering more than 100hp per litre, the BMW Vision EfficientDynamics concept completes the sprint from zero to 62mph in just 8.9 seconds, a time faster than most current production competitors.

The 2.0-litre four-cylinder diesel engine in the BMW Vision EfficientDynamics uses BMW's Variable Twin Turbo concept, third-generation common-rail injection and an all aluminium crankcase to deliver 204hp and 400Nm of torque between 2,000 and 2,250rpm. The engine is supplemented by a mild hybrid concept that delivers a further 20hp and 210Nm of torque under acceleration. As a consequence, even though the BMW Vision EfficientDynamics features a relatively small capacity engine, it delivers nearly the same levels of horsepower as the conventional X5, but offers improvements in its already class-leading consumption and emissions figures.

The mild hybrid solution in the BMW Vision EfficientDynamics uses a compact generator that, for the first time, is flange mounted directly onto the gearbox. This motor produces up to 20hp of on-demand power. In addition, BMW's now familiar Brake Energy Regeneration is used to efficiently capture energy that would previously have been lost when the engine is on overrun. Innovatively, the alternator is also integrated into the crankcase rather than conventionally driven from the front of the engine.

BMW's concept uses highly efficient lithium-ion batteries in the boot area to store the power generated. These high-storage-capacity batteries enable optimum use of Brake Energy Regeneration. In addition, they create possibilities to power the air conditioning, electric coolant pump and the electric power steering system. For these functions, a 120 volt vehicle power system was designed and runs in parallel with the conventional 12 volt system.

The power harnessed by the batteries is also supplemented by roof mounted photovoltaic solar panels, measuring 1.0 metre square. The energy generated can either be used immediately or stored for later use. Importantly, the power created in this zero- CO2 way can be used to pre-heat the diesel fuel. The less efficient warm-up phase is thus shortened considerably.

This innovative and technologically advanced engine is directly mated to a new eight- speed automatic transmission. Developed jointly between BMW and ZF, the new gearbox delivers fast and efficient gear changes. With such a spread of gears, the car will always be in exactly the right ratio for the prevailing driving conditions. It also improves fuel consumption and minimises emissions.

The chassis and ride-height of the X5 have been adapted for the BMW Vision EfficientDynamics. This includes aerodynamically-efficient 19-inch light alloy wheels with reduced ventilation. The design of the spokes reduces wind resistance to the extent that, at 100mph, the car has to produce one horsepower less than a conventionally-wheeled car. This benefit has not been included in the fuel consumption calculations but, on the road, the impact is noticeable.

[Source: BMW]

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Posted By: charles - Category: German cars, Wallpapers, BMW, Hybrids, SUVs, Geneva Motor Show

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