The company Opel, a member of the group General Motors, brought at the Paris Motor Show line of economical and clean models with the system of fuel economy ecoFlex. It was composed of Corsa, Astra and the new Insignia. As explained in the company, ecoFlex - is a set of measures aimed at reducing fuel consumption and reduce emissions of harmful substances into the atmosphere. It includes the installation cost, but powerful, “acceleration” of diesel engines Ecotec, optimizing aerodynamics, reducing the clearance, use of special tires with low rolling resistance and a number of know-how.