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greenMeter

By Hunter Research and Technology, LLC

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Description

Featured in the NY TImes, LA Times, Wired Autopia, and other publications, greenMeter is an app for the iPhone and iPod Touch that computes your vehicle's power and fuel usage characteristics and evaluates your driving to increase efficiency, reduce fuel consumption and cost, and lower your environmental impact. Results are displayed in real time, while driving, to give instantaneous feedback.

Though it's most effective on the road, you can learn from greenMeter even before you get in the car. By tipping the device forward and backward to simulate acceleration, you can see the effects of acceleration, aerodynamic drag, and rolling resistance across the speed range. Then implement this knowledge on the road, by choosing an efficient cruising speed and using the built-in eco-driving displays to moderate acceleration while you drive.

Thanks to a novel algorithm that computes parameters over the entire speed range, the app does not need GPS, opening usage up to all generations of the iPhone and iPod Touch.

If you're into hypermiling or eco-driving, want to make your transportation more efficient, or are simply interested in maintaining a green lifestyle, give greenMeter a try! The software can pay for itself within 1-2 tanks of gas.

Please visit the greenMeter website for technical details, setup/usage instructions, and more info. And be sure to check out the new demo videos!

Notes: greenMeter can compute data in US or metric units. The software offers two calibration options for the accelerometer, one to correct internal offsets, and the other to set the forward direction when the device is positioned in a vehicle. Settings and preferences (including inputs to specify vehicle, weather, and fuel characteristics) are accessed from the "i" button. To switch between the various graph modes, just tap the display.

What's New in Version 2.0

Three new eco-driving efficiency meters, including gauge, leaf, and bar displays. Revised graphics. New "easy setup" option for entering vehicle specs.

iPhone Screenshots

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greenMeter
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  • S$ 6.98
  • Category: Lifestyle
  • Updated: 26 August 2009
  • Version: 2.0
  • Size: 0.5 MB
  • Language: English
  • Developer: Craig Hunter

Compatibility: Requires iOS 2.2.1 or later. Compatible with iPhone, iPad, and iPod touch.

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