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A glass of water

By Toyota Motor Europe S.A./N.V.

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Can a simple glass of water lower your fuel consumption by 10%? Yes. Aggressive acceleration and braking wastes fuel. By planning your driving and driving calmer, you use less fuel and emit less CO2. That’s the simple key to ecodriving.

The “A glass of water” app is a virtual glass of water that reacts to your driving as if you have an actual glass of water on your dashboard. Accelerate too fast, brake too suddenly or drive too aggressively and you spill water.

Put your iPhone on the dashboard, in the cup holder or on the passenger seat. Once you start the app it will give you instant feedback on your driving. It will show your route on the map, distance, driving time, average speed, idle time and water spill in centilitres. So next time you drive the same route, you know where to slow down and where you should be extra cautious for maximum fuel efficiency.

Our website,, contains tips to help you become an expert ecodriver.

Because your safety is important to us, we recommend that once you start the app you should keep your eyes on the road, not on the display. Once you’ve reached your destination and come to a full stop, you can safely analyse your results.

To avoid battery depletion we recommend that you use the app no more than an hour at a time between charges...

What's New in Version 2.0.0

- Bugfixes
- Improved stability

iPhone Screenshot

iPhone Screenshot 1
A glass of water
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  • Free
  • Category: Utilities
  • Updated:
  • Version: 2.0.0
  • Size: 5.3 MB
  • Language: English
  • Developer:

Compatibility: Requires iOS 6.1 or later. Compatible with iPhone, iPad, and iPod touch.

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