NEW CARS A TO Z.

AUTOMOBILES; USER-centered system design

Those are the aggregated results of four lab tests carried out across as many different cruising speed ranges - although they're sometimes expressed as a range rather than as one specific figure to show the different results recorded by the heaviest and lightest available examples of the car in question (depending on optional equipment). DEALS ECONOMY EXPLAINED Between the various figures produced on the old-style NEDC, transitional NEDC Correlated and new-style WLTP laboratory emissions and fuel economy tests, it has become tricky to compare manufacturers' claimed efficiency on the latest new cars. We produce an average, track and touring figure for each car we test, as often as possible on a brim-to-brim test basis. [Extracted from the article]

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