A latest generation BMW 116d EfficientDynamics hatch driven by the team at Green-Car-Guide at the RAC Future Car Challenge 2012 achieved an average fuel economy of 103 mpg UK (equal to 85.8 mpg US and 2.7lt/100km) over the 64-mile Brighton to London route, recording a 39 per cent improvement over the manufacturer's official 74.3mpg UK combined economy figure. Read more »
