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Ford Charts Fuel Savings Impact of Reduced Speeds
1 May 2007
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| Fuel consumption savings at different speeds. Click to enlarge. |
Ford UK has provided performance data illustrating the effect of driving a cross-section of its Transit van models at governed speeds of 60 and 65 mph as a means to demonstrate the utility of a low-cost (£25) road speed limiter (RSL) it offers on its lineup.
On a Transit 260 or 280S 2.2-liter low-roof van, for example, driving 60 mph rather than 70 mph could save more than 19% on fuel consumption at cruising speeds—alongside a similar percentage cut in CO2 emissions.
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| CO2 reduction at different speeds. Click to enlarge. |
By limiting speeds to 65 mph, a saving of more than 10% at cruising speeds is possible on the same model, again with a corresponding 10%-plus reduction in CO2 emissions. On a higher-powered Transit Jumbo, a cruising speed saving of almost 13% is achievable by governing top speed at 60 mph instead of 70 mph.
Across all the models, a 10 mph reduction (60 vs 70) roughly doubles the percentage fuel savings provided with a 5 mph reduction.
Many operators have been asking us about achievable ways of limiting their impact on the environment as well as reducing costs. For operations on which maximum motorway speed is not a critical factor, we believe use of RSLs to be one of the most cost-effective approaches.
—Kevin Griffin, Ford UK fleet operations director
The factory-fitted Ford Transit road speed limiter is an option on all diesel models.
May 1, 2007 in Fuel Efficiency | Permalink | Comments (27) | TrackBack (0)
Comments
Posted by: Heath Rice | November 30, 2007 at 07:50 AM
PLEASE !!!
Also explore the SIMPLE fuel savings with MINIMUM Speed Lanes !!! IF we had MINIMUM Speed Lanes at maybe 55mph, we could get more than TEN TIMES the volume of traffic through the same road in the same time as we do now... elimanting gridlock AND saving fuel !!!
Any engine will get better milage idling at 55mph than stop & go at 5-20mph. THIS IS THE REAL WORLD ALTERNATES that we live with.
It is hard to understand the single minded position that slowing traffic is the ONLY way to save fuel? You don't even need a calculator or computer to confirm the above. It is simple math that you can do in your head !
Posted by: Greg | July 22, 2008 at 05:00 PM
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Couldyou send me a chart with the aerodynamics of all the Fords.