Ask Honest John

Most recently answered coasting questions
The Department of Transport says in one its leaflets: "Don't coast downhill or towards lights in neutral as this uses more fuel" Is this true? The leaflet is called "Be a smarter driver and save money."
The article by Kara Gammell in the Money Supplement in a recent Sunday Telegraph stated towards the end:- "But don't think that freewheeling down a hill will save you petrol. It won't. Not only is coasting...
Twice in the past year you have answered a similar question to 'is it economical to coast in neutral down hill'. Both times your answer is wrong! Of course you are correct that in neutral the engine is...
Over the past 30 years or so I have been in the habit of coasting down long hills in neutral with the engine idling. Can coasting do any damage? I find it suits my relaxed style of driving and as I recall...
An article in yesterdays paper that recommends, "Never coast in neutral; idling uses more fuel than running in gear on a closed throttle.” I don't understand how this can be. If you go down a hill for...
 

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