New research has determined the cars manufactured under the guidance of BMW offer the least carbon dioxide per brake horsepower produced.
The German car giant's product range boasted an average of 0.74 grams of carbon dioxide per kilometre per brake horsepower produced, following calculations by vehicle website Clean Green Cars.
It was a tight battle for second place, with cars by Mercedes achieving an average of 0.81g/km/bhp and Audi's vehicle range just behind that total with 0.83g/km/bhp.
All three German car makers were praised by Clean Green Cars though, with the organisation highlighting that each firm commit to delivering super-efficient but powerful engine designs for drivers to enjoy.
BMW received added praise for its commitment to looking after the environment last night (September 19th), when the German car firm's 320d Efficient Dynamics auto car was named Green Car of the Year 2012 at the What Car? Green Awards.
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