Reducing max speed to 60mph yields a 10% fuel saving

Darren

DriveGain is an iPhone app which provides audible and visual feedback on your driving style to help you save fuel.

Using GPS and acceleromter data the app scores your driving out of 100 and rates you on your driving smoothness and braking. The basic core functionality is free but you can unlock additional features for a small payment.

I've been using the app for a few weeks now and it's a useful driving aid. The audio feedback means you needn't be distracted by the display and it provides useful guidance and reminders on ways to improve your fuel consumption, planning ahead so you aren't braking at the last minute, using the optimal gear for your speed, avoiding unnecessary acceleration etc.

DriveGain claim you could save up to £170 a year in reduced fuel consumption by following the advice. The app also shows you how just backing off the accelerator a little can make a big difference. Reducing your maximum speed from 70 to 60mph gives you a 10% reduction in fuel usage and only lengthens your journey by an average 2mins.

Source: DriveGain

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Darren Griffin

Guivre46 · Posted: Tue Jul 03, 2012 10:42 am Post subject:

...and Damon Hill says in today's Telegraph that he sees so much rubbish driving, the speed limit should be reduced to a maximum of 55mph.

Edit: Telegraph pinched this from the Radio Times.
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Mike R [aka Wyvern46]
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Kremmen · Posted: Tue Jul 03, 2012 12:38 pm Post subject:

Absolutely correct.

I have been doing the same daily commute for years. For the last few months though I have dropped my speed down to 56 - 60 mph in with the trucks. I'm finding it so much more relaxing than constantly watching the mirrors when lane changing on the M25.

My weekly mpg has risen from 38 to 43 mpg.

My journey time has only risen by a few minutes each way for my 20 mile journey.
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Jaz666 · Posted: Tue Jul 03, 2012 10:03 pm Post subject:

427 · Posted: Mon Jul 09, 2012 11:27 am Post subject:

technik

AliOnHols · Pocket GPS Verifier Joined: Oct 15, 2008 Posts: 1941

MaFt

MaFt · Posted: Mon Jul 09, 2012 12:58 pm Post subject:

...and when I went to Mike B's earlier in the year it took me 4 hours by car. Train would have taken 12 hours and cost more. The bus would have been impossible.

MaFt

Darren · Posted: Mon Jul 09, 2012 6:06 pm Post subject:

And dispite them being 'slow' drivers, they'll get there only a few minutes later than you and without all the stress.
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Darren Griffin

Border_Collie · Posted: Mon Jul 09, 2012 7:16 pm Post subject:

johnnym100 · Posted: Fri Aug 10, 2012 2:46 pm Post subject: 60 or 70 or just looking ahead...

I have tried various styles of driving.

Driving at 60 rather than 70 does improve economy but not as much as looking ahead and anticipating.

Like most people I have my moments of heavy right footedness but taking the foot off the accelerator to cruise up to a roundabout or junction rather than the racing driver "foot on a pedal all the time"; whether accelerator or brake, is the game changer. Similarly, lifting off the accelerator as soon as the car in front starts to slow down or brakes has similar benefits.

As for Damon's comment of poor driving; no-one is perfect (nor am I) but the number of people who seem to drive believing that:
A. The motorway middle lane is the one to be in, even if the left hand lane is empty.
B. Indicators mean "make space, I'm barging in"
C. If you can't read the small print on the number plate of the car in front listing where the car was bought, then there is enough room to get another car in between.

....seems to be increasing, then in M3-M4-M25 territory, I have to agree with him.

John.

Kremmen · Posted: Sat Aug 11, 2012 6:49 am Post subject:

M3 - M4 - M25 is my neck of the woods as well.

I can't agree with the indicators mean I'm barging in, I tend to find they just barge in anyway Wink

Anyone who pulls in front of me without indicating gets a lengthy full beam flash to indicate I'm there as they seem to have not seen me.
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alix776 · Posted: Sat Aug 11, 2012 8:50 am Post subject:

Happens all the time the amount of people that think they have right Of way when joining a motorway dOnt seam to realise that 44tonnes will flatten the car
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