The Fiat group has topped a chart showing car brands that have emerged closest to Europe Union's fuel-efficiency goals.

All of Europe’s top twenty brands improved their emissions in 2010 compared to 2009, with Fiat yet again recording the lowest average emissions down 4.7 g/km to 123.1 g/km, auto information group JATO said in a report released on Monday.

The overall target for all new cars in Europe, as defined by EU regulation, is 130g/km for 2015. The regulation provides a calculation defining an individual target for each manufacturer group in proportion to the average kerb weight of its cars.

Fiat Group recorded the lowest average emissions of 125.9 g/km, while Toyota is the closest group to meeting its target based on the analysis of 2010, the report said.

Following are the top ten most economical car manufacturers in Europe.

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