World record-breaking top tips for fuel efficient driving

Press release -

World record-breaking top tips for fuel efficient driving

While the price of petrol and diesel is currently around 15p a litre cheaper than a year ago, the RAC is reminding motorists that driving in a fuel efficient way can still prove very beneficial for the pocket.

The cost of fuel has long been motorists’ biggest concern with 10% of drivers surveyed for the RAC’s Report on Motoring 2015 ranking it as their top worry. Hardly surprising when you think an average 55-litre petrol and diesel cars cost £61 to fill up and some families are doing this twice a month, and possibly with a second car too.

There is, however, good news as the RAC has some top tips for making every drop of fuel go further. And, these tips couldn’t come from a better source as they have been provided by the team that helped the RAC and Audi set a new world record for the most countries driven to on a single tank of fuel.

Motoring journalist Andrew Frankel and racing driver and TV presenter Rebecca Jackson succeeded in driving an Audi A6 2.0 TDI ultra to 14 countries, covering a distance of 1,158.9miles on a single fill-up of the car’s 73-litre tank, achieving an astonishing average fuel-economy figure of 75.9 miles per gallon.

The pair began their Record Road Trip in the Netherlands on June 9, taking it in turns to drive almost non-stop for nearly 28 hours through Belgium, Luxembourg, France, Switzerland, Lichtenstein, Austria, Germany, Italy, Slovenia, Croatia, Bosnia, Serbia and finally Hungary.

RAC Record Road Trip fuel economy top tips:

  • Slowest speed, highest gear – the secret to achieving a high mpg figure is driving at the lowest speed you can, in the highest possible gear. This optimum fuel economy speed will be different for every car. The Audi A6 ultra’s was 52mph in seventh gear on the flat. While there is an ideal speed, road conditions and gradients don’t often allow you to do that speed so you have to improvise and learn to adjust your driving according to the road ahead. Also, if you were to maintain one speed, either manually or by using cruise control, you would never achieve maximum fuel economy
  • Maintain momentum – keeping the car moving is key to fuel economy. Obviously this depends on traffic conditions and what’s happening on the road ahead, but slowing down and having to accelerate again naturally uses more fuel
  • Gentle right foot – having a light right foot and ensuring all acceleration is gentle is definitely important, but fuel-efficient driving is all about not upsetting the equilibrium of the car
  • Lighten the load – don’t keep unnecessary items in your boot as they add weight to your vehicle, which affects fuel economy. On average, every 50kg will increase your fuel consumption by 2%. This is based on the percentage of extra weight relative to the vehicle's weight so it affects smaller vehicles more than larger ones
  • Don’t get dragged down – don’t leave your roof bars on because they create wind resistance and cause your car to use more fuel through the ‘drag’ effect. Roof bars tend to weigh between 3kg to 5kg but the aerodynamic factor is greater. An empty roof rack affects fuel consumption by about 10%
  • Keep the pressure up – make sure your tyres are inflated to the correct pressure as indicated in your owner’s manual. This will vary depending on the load you are carrying: if you have four passengers and luggage then you will need your tyres inflated to the maximum recommended pressures
  • Warm engine – consider making one round trip rather than several short trips. Once the engine is warm it will operate at its most efficient, whereas several cold starts will increase fuel consumption even though the total mileage could be the same. This is why the Record Road Trip team kept going almost continuously, only stopping for 20 minutes at a time
  • Might have to lose your cool – don’t use your air conditioning unless you really have to as it uses engine power and therefore increases fuel consumption
  • Don’t forget the basics – make sure you maintain your vehicle as regular maintenance and servicing improves efficiency, and can therefore improve your fuel consumption

Rebecca Jackson’s advice: “To set any kind of fuel efficiency world record you have to be looking ahead as much as possible to pre-empt oncoming hazards. This is a good general driving habit but it was absolutely crucial for us. It’s all about keeping moving and not losing momentum. Accelerating from being stopped is very costly in fuel consumption terms and so is going up any steep incline.

“We tried not to use the brakes as much by easing off the throttle to reduce speed. If you can keep moving slowly rather than stopping in traffic that’s good, but you do have to be conscious of not being a pain to other drivers by leaving too much of a gap behind the car in front.

“You need to listen to the engine to make sure you don’t use excessive revs but you need to use enough, so it’s a fine balance as you don’t want the car to be labouring too much either.”

Andrew Frankel’s advice: “If you are coming up to a roundabout you need to know whether you will be able to get through without slowing down too much by adjusting your speed very carefully before you enter.

“And, if you have a hill coming up you need to judge not just the gradient, but its likely duration too. If you can see it’s just a short rise it’s better to coast up, lose the speed and stay in gear rather than change down early. Each hill is therefore different and there is of course an element of guesswork.”

RAC fuel spokesman Simon Williams said: “We’re currently enjoying a period of low fuel prices but if we can all make our cars go further on less fuel that’s got to be good for the pocket and the environment. These tips can really make a difference and, applied with good technique can help to make you a better and safer driver.”

To find out how Andrew and Rebecca set a new world record for the RAC and Audi visit www.recordroadtrip.com.

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Notes to Editors

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About the RAC

With more than eight million members, the RAC is one of the UK's most progressive motoring organisations, providing services for both private and business motorists. Whether it's roadside assistance, insurance, buying a used car, vehicle inspections and checks, legal services or up-to-the-minute traffic and travel information – the RAC offers a solution for all motoring needs. The RAC is committed to making motoring easier, safer, more affordable and more enjoyable for drivers and road users.

The RAC is the motorist’s champion and campaigns to support the interests of its members and UK motorists at a national level, including advancing levels of road safety, supporting the needs of young drivers and voicing concerns about the increasing cost of motoring. The RAC’s annual Report on Motoring – first published in 1989 – provides a clear insight into the concerns and issues facing today’s motorists.

For the very latest news on UK fuel prices, check RAC Fuel Watch or follow #racfuelwatch on Twitter. This is a comprehensive guide to the latest UK unleaded petrol and diesel prices – both at the wholesale level and at the pump. RAC Fuel Watch analyses how prices changed through the previous month and compares the most recent prices with those from three, six and 12 months before.

The RAC supports and is a founding member of FairFuelUK which campaigns for fairer taxes on petrol and diesel.

Key facts:

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  • 98% of members would recommend RAC Rescue to their friends and family

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Contact the RAC Press Office (media only)

Contact the RAC Press Office (media only)

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