There's some mystery surrounding the fuel economy level of the next-generation Toyota Prius.The closest we've had to an official number is 55 miles per gallon, which was hinted at by Toyota Motor ...

Throughout the test, we highlight some one-off 60mpg models, including a sporty hot hatch, a desirable compact executive car and a luxurious executive saloon. So, if fuel economy is at the top ...

This year, one of the competitors will be the new Peugeot 308 HDi, which should get somewhere over 60 mpg (Imperial). John Dalton and David Adams will drive the car along the 350-mile route from ...