In harsh conditions may have realized thanks to the testimony of the effectiveness of the ecopra fuel saver on a 4WD Nissan terrano. We are in February 2009 kit is in operation since 2008.
Indeed the common Fournols Puy de Dome is located about 1000 meters above sea temperatures are sometimes around minus 20 ° -30 °C during winters.
The kit is still in use today but on a Renault Espace.
The testimony relates to a use of 40 000kms a Nissan terrano 2.7 diesel.
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