2014 Paris Motor Show Preview: Peugeot unveils 208 Hybrid Air Concept

Article by Christian Andrei, on September 11, 2014

At the 2013 Frankfurt Motor Show, Peugeot unveiled their 208 Hybrid FE Concept, a vehicle that previews the hybrid version of the 208. For the 2014 Paris Motor Show, Peugeot returns with a new version, the 208 Hybrid Air Concept, a vehicle that promises to answer French government’s challenge to automakers to build fuel-efficient cars with a fuel consumption of 2 l/100 km or 141 mpg.

As you may know already, Renault is also preparing to unveil a new concept car for the 2014 Paris Motor Show that targets the same fuel consumption.

The standard vehicle’s 1.2-liter PureTech 82 engine, bolted to a five-speed manual transmission, has been replaced by a hybrid drivetrain which uses a mixture of petrol and compressed air.

As a result, the vehicle carries a compressed air tank mounted below the boot and a hydraulic system consisting of a motor and a pump in the engine bay. The hydraulic system features a bespoke epicyclic transmission in order to offer the proper balance between the two different energy sources.

According to Peugeot, this system replaces the manual transmission in order to enable automatic shifting. The concept also arrives with alternative materials such as composites and aluminum, which means a weight drop of 860 kg.

Press Release

PEUGEOT TECHNOLOGICAL TOUR DE FORCE: THE 208 HYbrid Air 2L DEMONSTRATOR

Continuing its proactive approach to lowering fuel consumption and emissions, PEUGEOT is showcasing its 208 HYbrid Air 2L Demonstrator at next month’s Paris Motor Show. The 2L stands for two litres per 100km, equivalent to 141mpg, and is based on a production version of the Peugeot 208 1.2-litre PureTech 82hp 5-seater Hatchback.

To achieve such high fuel economy, PEUGEOT and its project partners used technologies previously reserved for competition and luxury models. Weighing just 860kg – 100kg less than the production car – the concept is a mix of steel, aluminium and composites. Engineers embarked on a meticulous selection process to choose only those materials compatible with existing production facilities and a high manufacturing output. In addition, the process involves reducing consumption without altering the car's characteristics, retaining a style synonymous with high-end products and services.

Carbon composites are used for the body panels, sides, doors and roof, along with the coil springs providing suspension. In the latter case, the use of composites has a positive impact on dynamic handling by reducing unsprung weight. The car has also been fine-tuned aerodynamically, with a number of improvements to reduce drag, including a lower stance on the road.

The campaign to reduce weight has not focused solely on the use of new materials; it has also sought to redesign existing parts. This has led to changes in the thickness of the stainless steel exhaust system, enabling a 20% improvement on this part alone.

The standard powertrain has been replaced by a hybrid drive system featuring a mix of petrol and compressed air. HYbrid Air technology combines two types of energy to achieve greater efficiency depending on the driving conditions. The compressed air is used to assist and even replace the petrol engine to enable maximum efficiency during transition phases, such as acceleration and starts.

The system comprises:

a compressed-air tank located below the boot
a low-pressure tank near the rear axle acting as an expansion chamber
a hydraulic system consisting of a motor and a pump in the engine bay
The hydraulic system features bespoke epicyclic transmission to strike the right balance between the two different energy sources. This replaces the manual transmission to enable automatic shifting.

In Air (ZEV) mode, the car runs on compressed air alone. This method of driving does not consume fuel and gives off no CO2 emissions, making it ideal for urban environments. In Petrol mode, the car is powered only by the 1.2-litre petrol engine. This is more suitable for travelling at a steady speed on main roads and motorways. The Combined mode is designed for transition phases in urban environments, such as standing starts and acceleration. It draws on the two energy sources in proportions adjusted to achieve optimal fuel consumption.

The compressed-air tank is recharged when slowing down (while braking or taking the foot off the pedal) or by part use of the energy developed by the three-cylinder petrol engine to compress the air. Both methods can achieve maximum pressure in just 10 seconds.

PEUGEOT

The PEUGEOT Brand can trace its roots back to 1810, and it was in 1889 that it began producing automobiles, thus in 2014 it celebrates 125 years of vehicle production with over 60 million sold. Conveyed through its brand signature ‘Motion & Emotion’, PEUGEOT is present in 160 countries with some 10,000 Franchised Dealers and recognised for its Excellence, Allure and Emotion.

In 2013 PEUGEOT sold 1.5m vehicles worldwide, represented in the majority of markets around the world with a strategy to continuously move the Brand up-market. It’s weighted average CO2 emissions are just 111.2g/km.

PEUGEOT has a reinvigorated range of high quality products and services that provide and combine a refined design with great attention to detail, and a unique driving experience delivering the satisfaction and emotion identifiable with every PEUGEOT product.

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