Consumption of fuel is higher than advertised – the Observer

A study done by the European Federation for Transport and Environment found that car use will be, apparently, manipulated by various brands cars. The assessment has found that there is an increasingly wide gap between the consumption of fuel that the car manufacturers guarantee, based on laboratory tests, and the amounts that are spent when the car circulates in the road.

John White, president of the association environmentalist Quercus, said in statements to the TSF that "on average, the spending is increased by more than € 450" for the european drivers compared to what is disclosed by the marks. The study concludes that throughout the automotive industry there is an average difference of 42% between the amounts announced, and the fuel spent on the road. In 2012, this difference was only 28%.

The president of the association environmentalist Quercus, John White, emphasizes that in the face of these results the european authorities and the Portuguese can’t get stops and they have to investigate. In addition to harming the drivers, John White recalls that the State also stands to lose, because the collection of the tax on vehicles is very much dependent on fuel consumption and environmental performance of the car.

The European Federation for Transport and Environment argues that the tests of fuel efficiency are conducted in the laboratory gaps and varying degrees of flexibility, and is therefore prone to manipulation. Even considering that some technologies have allowed for the best performances in laboratory conditions than on the road, it is impossible to explain disparities in the fuel consumption between laboratory and road in excess of 50%. Give that these differences are classified as "unexplained".

generally, all the car brands have large asymmetries between the two intakes, but at the top of the list comes the Mercedes that’ll make differences in excess of 50% between the consumption marketed based on testing and the amount spent by cars on the roads.

it Is very suspicious that this values happen systematically and in virtually all brands. Raises the suspicion that actually the marks are to falsify the values."

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