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CitroŽn at the 2007 Internationale

Automobil-Ausstellung in Frankfurt

CitroŽn displays its 2008 range at the Frankfurt Motor Show

General summary

CitroŽn has become one of the most advanced manufacturers on environmental protection owing to its ambitious policy in this area:

  • 55% of CitroŽn vehicles emit less than 140 g of CO2 per km, and 24% emit less than 120 g/km.
  • CitroŽn has an 11% share of the European market for vehicles emitting less than 141 g/km of CO2.
  • The marque has sold more than 500,000 vehicles fitted with a particulate filter.

At the 2007 Frankfurt Motor Show, CitroŽn is confirming its position as a leading full-line manufacturer at the forefront of innovation:

highlighting its commitment and technological prowess in environmental protection :

  • by launching the AIRDREAM signature that underlines the environmental credentials of models in the range;
  • by presenting the C4 BioFlex running on superethanol E85;

showcasing two concept cars:

  • C-Cactus, an essential vehicle offering access to hybrid HDi for the price of an entry-level family saloon,
  • C5 Airscape, a luxury cabriolet combining environmental protection and automotive pleasure;
  • offering the fullest range in its history, made up of 11 saloons and estates, four people carriers, a van-based MPV and a new SUV, C-Crosser;
  • presenting its potential for innovation through educational demonstrators that show how, among others, the DPFS, 6-speed EGS, emergency call and Snow Motion system work.

At the 2007 Frankfurt Motor Show, CitroŽn is confirming its position as a leading full-line manufacturer at the forefront of innovation with:

  • C4 BioFlex, a car expanding an environmental range that already meets high standards of performance. A range promoted by the AIRDREAM label, which allows customers to identify the models with the best environmental credentials;
  • C-Cactus and C5 Airscape, two ecological concept cars with strong personalities. Like earlier prototypes, these vehicles demonstrate CitroŽn's expertise and test new solutions for the future;
  • the fullest range in its history, made up of eleven saloons, four people-carriers, a van-based MPV and a new SUV, C-Crosser;
  • a number of educational demonstrators that express CitroŽn's potential for innovation.


CitroŽn is illustrating its environmental expertise at the Frankfurt show by:

  • launching the AIRDREAM environmental signature that identifies the vehicles with the best environmental credentials;
  • exhibiting all the vehicles in its range fitted with environmental technologies;
  • underlining its commitment to biofuels (superethanol with C4 Bio Flex and biodiesel with all the HDi diesels) and natural gas (C3 and Berlingo CNG);
  • showing the public how Hybrid HDi, DPFS and UrbanHybrid technologies work using educational demonstrators.

AIRDREAM, a signature identifying the vehicles with the best environmental credentials

To highlight its commitment to the environment and demonstrate its technological expertise in this area, CitroŽn has developed the AIRDREAM signature for the cleanest vehicles in its range. 

AIRDREAM reflects CitroŽn's efforts to contribute actively to air quality and a clean environment by cutting the pollutant emissions from its vehicles. 

To qualify for the AIRDREAM signature, vehicles must meet the three criteria below:


1 – CO2 emissions =  130g for vehicles running on fossil fuels

  • 158 g for diesel vehicles equipped with the DPFS and biodiesel B30 compatible (equal to 130g as part of a well-to-wheel approach)
  • 200 g  for vehicles running on superethanol E85 (equal to 120 g as part of a well-to-wheel approach)

Or a Stop & Start vehicle

  • (No CO2 emissions and no noise when stationary)

Or a CNG vehicle

  • (20% fewer CO2 emissions than a petrol engine)

2 – Be manufactured in a plant that is ISO 14001 certified

3 – Be designed to be 95% recoverable (recycling and energy recovery) by weight at end-of-life

List of CitroŽn vehicles meeting these criteria

As part of its policy to maintain and continuously improve standards of customer service, CitroŽn will expand the scope of this signature in the future to include any new technologies and new developments able to bring further reductions in pollutant emissions.

Environmental technology designed and marketed by CitroŽn

Faithful to its tradition of innovation, CitroŽn has long sought to develop and market vehicles equipped with ecologically sound technologies. 

After pioneering "zero emission" vehicles with the AX Electric in 1995:

  • CitroŽn was one of the first manufacturers to bring a Stop & Start system to market. Available on the C2 and C3, this system cuts fuel consumption in urban driving conditions by around 10% (and even 15% in dense traffic) while reducing CO2 emissions by around 15 g/km.
  • The Marque was also one of the first to develop and sell a particulate filter, now fitted on most of the HDi engines. This system is remarkably efficient in cutting fuel consumption and pollutant emissions (fuel consumption cut by 20% to 35% compared with an equivalent-capacity petrol engine).

CitroŽn is displaying a demonstrator at Frankfurt to show the advantages of the DPFS.

Alongside these technologies, CitroŽn also has two automated manual gearboxes: SensoDrive (for the C1, C2, C3 and C3 Pluriel) and the six-speed electronic gearbox system (for the C4, C4 Picasso and Grand C4 Picasso). These gearboxes cut fuel consumption and CO2 emissions by between 3% and 5%.

Credible products in the field of biofuels and CNG

With the C4 BioFlex, premiering at the Frankfurt Motor Show this year, CitroŽn is restating its commitment to green fuels.

Building on the significant experience acquired over a number of years in Brazil, where it has sold more than 42,000 flexfuel vehicles (65% of local sales in 2006, with the C3 and Xsara Picasso), CitroŽn is launching the C4 BioFlex in September. This model will be available only in France and Sweden in the first instance.

This flexfuel vehicle boasts remarkable environmental credentials: the use of superethanol E85 (a blend of 85% ethanol and 15% petrol) limits CO2 emissions to 160 g/km, compared with 169g/km for the same engine running on traditional super unleaded. 

CitroŽn is pursuing a similarly active policy in the area of biodiesel fuel. All the HDi engines sold by the brand since 1998 are able to run on fuel containing up to 30% biodiesel without modification. The low fuel consumption and CO2 emissions of HDi engines are thus combined with a renewable energy. 

Also at the Frankfurt Motor Show, CitroŽn is displaying a C3 1.4i CNG equipped with a dual-fuel petrol/compressed natural gas system. A Berlingo equipped with the same engine is also available. CNG boasts excellent results in terms of environmental performance, with a reduction in CO2 emissions of 18% and 17%, respectively, and zero emissions of sulphur oxide and lead. At the same time, it contributes to sustainable development objectives since reserves are abundant.


Innovating for the environment with the C4 Hybride HDi and UrbanHybrid technology 

At the 2007 Frankfurt Motor Show, CitroŽn is presenting a number of solutions for the future. They include: 

  • The C4 Hybride HDi, allying the exceptional efficiency of the HDi diesel engine with the advantages of an electric motor made for urban driving. This vehicle combines high levels of performance with a significant cut in both fuel consumption (3.4 l/100 km over a combined cycle) and CO2 emissions (90g/km). It also boasts increased range and excellent environmental results thanks to the complete absence of noise and pollutant emissions in electric mode.

A demonstrator on the stand simulates operation of a C4 Hybride HDi. Visitors can observe the action of each vehicle part and its impact in terms of consumption and CO2 emissions. 

  • The UrbanHybrid technology used on the C5 Airscape concept car and whose operation is illustrated by a demonstrator.

This system cuts out the engine just before the vehicle comes to a standstill (slowdowns, traffic lights, etc.). This standby mode cuts both average fuel consumption and CO2 emissions. At the same time, it temporarily stores large quantities of energy during deceleration in order to boost vehicle torque when required.


In keeping with CitroŽn's tradition of innovation, the environment is a priority in research programmes. This concerns not only developing and marketing "clean" vehicles but also designing and perfecting concept cars. The Marque is presenting two new ecological concept cars at the Frankfurt Motor Show: C-Cactus and C5 Airscape.

C-Cactus: a new take on the ecological car 

With C-Cactus, CitroŽn has developed a new take on the car, focused on essential values. A minimalist vehicle with fun, attractive looks, C-Cactus makes hybrid HDi technology more democratic with an affordable price tag.

C-Cactus uses new design processes that bring down production costs. As a result, it costs no more than an entry-level C4, without sacrificing passenger comfort.

C5 Airscape: driveability and respect for the environment

An exceptional cabriolet, C5 Airscape features powerful, dynamic exterior styling and a prestige interior, made for the pleasure of the driver and the comfort of three passengers.

Styled for maximum appeal, C5 Airscape also delivers maximum performance. New-generation traction control provides a level of traction close to that of a four-wheel drive. Alongside these remarkable levels of performance, the functions of the UrbanHybrid system limit fuel consumption and emission levels. 

CitroŽn uses its long tradition of innovation to develop efficient environmental solutions 

C-Cactus and C-Airscape are the latest in a long line of concept cars through which CitroŽn has been able to develop its expertise and credibility in the field of environmental technology. Key concept cars are: 

  • the Xsara Dynalto, forerunner to the Stop & Start system (Geneva Motor Show – 1998), 
  • the Saxo Dynavolt, an electric vehicle with a two-stroke auxiliary engine and an alternator-starter (Paris Motor Show – 1998), 
  • the Berlingo Dynavolt, an electric vehicle with an auxiliary engine running on LPG (Geneva Motor Show – 1999), 
  • the Xsara Dynactive, a car using parallel hybrid technology (Geneva Motor Show – 2000). 

And more recently: 

  • the C4 Hybride HDi, a demonstration vehicle with a diesel hybrid drivetrain that combines the exceptional efficiency of an HDi diesel engine with the benefits of an electric motor made for urban driving (Geneva Motor Show – 2006); 
  • C-Mťtisse, a diesel hybrid coupť featuring electric motors in its rear wheels. This configuration is coherent with vehicle performance and optimises traction (Paris Motor Show – 2006); 
  • Cruise Crosser, a diesel hybrid SUV with a third axle that provides back-up for the four drive wheels on difficult terrain (sand, snow). Used alone, the third axle makes it possible to drive in ZEV “Zero Emission Vehicle” mode (Geneva Motor Show – 2007).
© 2007 Julian Marsh/CitroŽnŽt + SA Automobiles CitroŽn