Peugeot 307 & Citroen C4 Hybird-Diesel Concepts

FRENCH GROUP PSA Peugeot- Citroën is going to demonstrate two Diesel Hybird concepts based on the C4 & 307 models. Although this technology that combines two of today’s best solutions for reduced gas consumption is not going to be ready for production for another 5 years, it gives European carmakers a new insight for the future as they lead in Diesel engine technology.

Press release : Peugeot Citroën unveil Diesel Hybrid Technology: PSA Peugeot Citroën today unveils two demonstrators featuring a diesel-electric hybrid powertrain, the Peugeot 307 and the Citroën C4 Hybride HDi.
The performance of these cars represents a major breakthrough in further improving fuel economy and reducing CO2 emissions. They also provide increased driving comfort under all conditions, especially in urban traffic.
Average diesel consumption for these two cars is 3.4 litres /100 km, with 90 grams of CO2 emitted per kilometre, tank to wheel—a record for compact cars, the most popular segment in Europe. This is some 25% better than a similar vehicle equipped with a petrol hybrid system, or as much as a litre per 100 kilometres in combined urban and motorway driving.
PSA Peugeot Citroën’s Hybrid HDi technology comprises of a 1.6-litre HDi diesel engine, a particulate filter system (DPFS) with the latest generation Stop & Start system, an electric motor, inverter, high-voltage battery pack and dedicated control electronics. The cars are also equipped with an electronically-managed manual gearbox.
The Stop & Start system enables the Hybride HDi vehicules to start and drive using only the HDi diesel engine, even when the high-voltage battery pack is totally flat. Other hybrid vehicles, in contrast, would be totally immobilised in this situation.

The Hybride HDi introduces several innovative features:

• Recovery of kinetic energy during deceleration and braking.

• All-electric mode, or Zero Emission Vehicle (ZEV), eliminating noise and emissions for urban driving at up to 50 kilometres an hour.

• Extended ZEV mode, in which electrical power is used by default, depending on the battery charge level.

For main road and motorway driving, the electric motor can provide a 35% power boost for extra acceleration when needed, thereby enhancing driving comfort.
PSA Peugeot Citroën could market its Hybride HDi vehicles as early as 2010. However, their introduction rests on making this technology available at an affordable price. Today, the price gap between a Hybride HDi model and a comparable diesel HDi model is still too wide and would have to be halved to make diesel hybrid vehicles accessible to most consumers.
PSA Peugeot Citroën has asked the French Agency for Industrial Innovation to support the project. Enhancing fuel efficiency and reducing CO2 emissions to address the issue of greenhouse gases is a critical component of PSA Peugeot Citroën’s product strategy. PSA Peugeot Citroën vehicles rank amongst the best in class worldwide for low fuel consumption and C02 emissions.
To sustain this achievement, PSA Peugeot Citroën is leveraging its expertise in high-tech diesel engines, a segment where it is a world leader (more than 8 million cars with the common-rail HDi engine sold), and its pioneering role in electric vehicles. The new Hybride HDi system presented today combines many advantages of the HDi diesel engine with those of an electric motor for urban driving.

Peugeot 307 and Citroën C4 Hybride HDi

• 1.6-litre HDi engine + diesel particulate filter system

• Electronically-managed gearbox

• New-generation Stop & Start system

• Electric motor and inverter

• High-voltage battery pack

• Dedicated control electronics

• All-electric mode for speeds under 50 kilometres an hour

•Driver selection of Extended ZEV mode

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