Drivers using GPS devices in their cars consume less fuel than those who do not, new research has suggested.
The study by satnav maker Navteq found that the devices reduce fuel consumption by helping drivers to complete their journey in a shorter period of time and reaching their destination using a shorter route.
An analysis of drivers in two metropolitan areas of Germany revealed that fuel efficiency was boosted by 12 per cent amongst those using GPS devices.
It also discovered that the technology could result in annual savings of ?416 (£373) in fuel costs.
Judson Green, president and chief executive officer of Navteq, said: "With the robust methodology behind this study, we have confidence that these results are representative of a trend that globally has often been implied, but not previously proven in the realm of everyday use.
"Consumers can enjoy the advantages of navigation not only in relation to a more positive driving experience, but also in terms of the positive impact it can have on their wallets."
The study was conducted in Dusseldorf and Munich by social science research firm NuStats.
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