You may have seen this advert in the Goodwood Festival of Speed programme and are wondering how we determined that the XL1 was the world’s most fuel-efficient hybrid production vehicle.
In order to make this comparison, we referred to an independent, 3rd party information provider for the automotive industry – JATO*.
We ran a data set which compared the XL1’s figures for the emissions and combined fuel consumption per gallon against all production cars available between 2010 and 2013 so far. The XL1 has the lowest carbon dioxide emissions levels per km (21g/km) and the lowest combined fuel consumption (313mpg) amongst this data set.
This data set looked at excludes purely electric cars, as these are rated on different standards, and also only looks at cars in, or previously in, production across this period.
*JATO is an independent, 3rd party information provider for the automotive industry. They pride themselves on delivering “the world’s most accurate and up-to-the minute automotive intelligence”. The data that they test is subject to approval by UK authorities but is taken directly from publications made by manufacturers.
Source: www.volkswagen.co.uk
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