A Renault's 1.6 dCi Espace engine is seen at a car dealership in Berlin, Germany November 24, 2015. Nitrogen oxide emissions of Renault's 1.6 dCi Espace were found in tests to be up to 25 times higher than the current Euro-6 limit, German environmental lobby group DUH said, as carmakers come under scrutiny in the wake of a scandal at VW. Renault did not respond to calls and messages seeking comment. REUTERS/Fabrizio Bensch

A Renault's 1.6 dCi Espace engine is seen at a car dealership in Berlin, Germany November 24, 2015. Nitrogen oxide emissions of Renault's 1.6 dCi Espace were found in tests to be up to 25 times higher than the current Euro-6 limit, German environmental lobby group DUH said, as carmakers come under scrutiny in the wake of a scandal at VW. Renault did not respond to calls and messages seeking comment. REUTERS/Fabrizio Bensch

A logo is seen on a Renault Espace vehicle at a dealership in Berlin, Germany November 24, 2015. Nitrogen oxide emissions of Renault's 1.6 dCi Espace were found in tests to be up to 25 times higher than the current Euro-6 limit, German environmental lobby group DUH said, as carmakers come under scrutiny in the wake of a scandal at VW. Renault did not respond to calls and messages seeking comment. REUTERS/Fabrizio Bensch

A Renault Espace car is pictured at a dealership in Les Sorinieres near Nantes, France, November 24, 2015. Nitrogen oxide emissions of Renault's 1.6 dCi Espace were found in tests to be up to 25 times higher than the current Euro-6 limit, German environmental lobby group DUH said, as carmakers come under scrutiny in the wake of a scandal at VW. REUTERS/Stephane Mahe 

A logo is seen on a Renault Espace car pictured at a dealership in Les Sorinieres near Nantes, France, November 24, 2015. Nitrogen oxide emissions of Renault's 1.6 dCi Espace were found in tests to be up to 25 times higher than the current Euro-6 limit, German environmental lobby group DUH said, as carmakers come under scrutiny in the wake of a scandal at VW. REUTERS/Stephane Mahe 

A logo is seen on a Renault Espace car pictured at a dealership in Les Sorinieres near Nantes, France, November 24, 2015. Nitrogen oxide emissions of Renault's 1.6 dCi Espace were found in tests to be up to 25 times higher than the current Euro-6 limit, German environmental lobby group DUH said, as carmakers come under scrutiny in the wake of a scandal at VW. REUTERS/Stephane Mahe 

A Renault Espace car is pictured at a dealership in Les Sorinieres near Nantes, France, November 24, 2015. Nitrogen oxide emissions of Renault's 1.6 dCi Espace were found in tests to be up to 25 times higher than the current Euro-6 limit, German environmental lobby group DUH said, as carmakers come under scrutiny in the wake of a scandal at VW. REUTERS/Stephane Mahe 

A Renault Espace car is pictured at a dealership in Les Sorinieres near Nantes, France, November 24, 2015. Nitrogen oxide emissions of Renault's 1.6 dCi Espace were found in tests to be up to 25 times higher than the current Euro-6 limit, German environmental lobby group DUH said, as carmakers come under scrutiny in the wake of a scandal at VW. REUTERS/Stephane Mahe 

A Renault Espace car is pictured at a dealership in Les Sorinieres near Nantes, France, November 24, 2015. Nitrogen oxide emissions of Renault's 1.6 dCi Espace were found in tests to be up to 25 times higher than the current Euro-6 limit, German environmental lobby group DUH said, as carmakers come under scrutiny in the wake of a scandal at VW. REUTERS/Stephane Mahe 

The logo of French car manufacturer Renault is seen in front of an advertisement showing a Renault Espace car at a dealership in Paris, November 13, 2015. Nitrogen oxide emissions of Renault's 1.6 dCi Espace were found in tests to be up to 25 times higher than the current Euro-6 limit, German environmental lobby group DUH said November 24, 2015, as carmakers come under scrutiny in the wake of a scandal at VW. Picture taken November 13, 2015. REUTERS/Christian Hartmann 

Employees work on a new Renault Espace as it moves along the assembly line at the Renault automobile assembly plant in Douai, northern France, November 26, 2014. REUTERS/Pascal Rossignol (FRANCE - Tags: TRANSPORT BUSINESS EMPLOYMENT) 

An employee inspects a new Renault Espace car at the Renault automobile assembly plant in Douai, northern France, November 26, 2014. REUTERS/Pascal Rossignol (FRANCE - Tags: TRANSPORT BUSINESS EMPLOYMENT) 

Employees work on the assembly line for the new Renault Espace cars at the Renault automobile plant in Douai, northern France, November 26, 2014. REUTERS/Pascal Rossignol (FRANCE - Tags: TRANSPORT BUSINESS EMPLOYMENT) 

An employee inspects the paint of a new Renault Espace car at the paint shop of the Renault automobile assembly plant in Douai, northern France, November 26, 2014. REUTERS/Pascal Rossignol (FRANCE - Tags: TRANSPORT BUSINESS EMPLOYMENT) 

An employee inspects the paint of a new Renault Espace car at the paint shop of the Renault automobile assembly plant in Douai, northern France, November 26, 2014. REUTERS/Pascal Rossignol (FRANCE - Tags: TRANSPORT BUSINESS EMPLOYMENT) 

An employee inspects the paint of a new Renault Espace car at the paint shop of the Renault sutomobile assembly plant in Douai, northern France, November 26, 2014. REUTERS/Pascal Rossignol (FRANCE - Tags: TRANSPORT BUSINESS EMPLOYMENT) 

Employees work on the assembly line of the new Renault Espace car at the Renault automobile assembly plant in Douai, northern France, November 26, 2014. REUTERS/Pascal Rossignol (FRANCE - Tags: TRANSPORT BUSINESS) 

A new Renault Espace car is displayed on media day at the Paris Mondial de l'Automobile, October 2, 2014. The Paris auto show opens its doors to the public from October 4 to October 19. REUTERS/Benoit Tessier (FRANCE - Tags: TRANSPORT BUSINESS) 

The new Renault Espace Concept is on display as a first world presentation at the Geneva car show March 5, 2002. The Espace Concept is powered with an 3.5 l and 245 hp engine. 

The new Renault Espace Concept is on display as a first world presentation
at the Geneva car show March 5, 2002. The Espace Concept is powered with an
3.5 l and 245 hp engine. REUTERS/Jean-Bernard Sieber

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Journalists pause at the Renault stand to view the Espace equipped with a Formula One motor (L) alongside a Williams-Renault F1 at the World Car Show, October 4th 

Workmen polish the partially covered Renault Espace F1 as automobile constructors prepare their stands for the World Car Show, October 3rd. The specially constructed Renault Espace is equipped with a Formula One motor and will be driven only on F1 race tracks