Ask Honest John

Most recently answered mpg questions
My short list for purchasing a new 4x4 is a Nissan Juke, Hyundai ix35 or Qashqai in that order. Fuel consumption is a factor, the Juke is petrol (37mpg combined) diesel Qashqai & ix35 (40mpg). I have read...
How can I improve the fuel economy of my Hyundai Accent 1.3? Are there any special products like air filters, plugs and leads which can help?
Another 2 years have gone by and I write again to wonder why people still talk about miles per gallon. Is it not now time to be honest enough to promote miles per litre instead? When was petrol last sold...