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New App Helps You Save Gas and Reduce Emissions By Avoiding Red Lights

by LiveModern Webmaster last modified Jan 04, 2012 02:10 AM
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by Matt Smith last modified Aug 31, 2011

When driving, the part that uses up the most gasoline, and therefore creates the most air pollution, is when stopped at a stop light. And while stoplights are clearly necessary on the road, safely avoiding them would save the driver both money for gas and help reduce pollution. It was with this in mind that... Read More...




 

 

When driving, the part that uses up the most gasoline, and therefore creates the most air pollution, is when stopped at a stop light. And while stoplights are clearly necessary on the road, safely avoiding them would save the driver both money for gas and help reduce pollution. It was with this in mind that researchers at the Massachusetts Institute of Technology (MIT) and Princeton University designed an app that would help drivers avoid stopping at red lights.

The app, called SignalGuru, tells the driver to adjust there speed so that they will not have to stop at the red light. By telling the driver how slow they need to travel so that when they arrive at the light, it will have turned green, the app can help to reduce a fair amount of stoppage time and therefore save gas and reduce emissions from the car.

The app works through a network of dashboard-mounted smartphones that take pictures from different approaches at a stop light and then uses this information to calculate the amount of time the light will remain red. The app was tested in Cambridge, Mass. and in Singapore using 20 cars with dashboard-mounted iPhones. In Cambridge, the test was quite successful, with the apps able to predict the change of the lights within 0.66 seconds accurately, and a calculated reduction of 20% of fuel use.



 

 

 
 
 

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