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Is Your Car Polluting Roadways? This New Traffic Camera May Catch You

Is Your Car Polluting Roadways? This New Traffic Camera May Catch You

Written by Derek Markham

The prototype of a new type of device, akin to a pollution radar device for highway traffic, has been developed at the Universidad Carlos III de Madrid (UC3M), and can deliver real-time data on pollution emissions from individual vehicles, even on a multi-lane road.

The new traffic camera can be used to not just point out the vehicles responsible for most of the emissions, but also to analyze the impacts of traffic on the environment, to optimize road planning and help in the creation of policies that could decrease traffic emissions.

From UC3M:

Approximately five percent of vehicles are responsible for more than 90% of toxic emissions. With this system, it can be determined which vehicles are “big emitters” (pollute more) and policies that facilitate their identification can be created. And with this, point out the scientists, traffic emissions (CO2, CO, NOx, HC, PM) would be reduced and energy efficiency would increase, given that a decrease of emissions always implies less consumption. In addition, measures for optimizing consumption and emissions could be adopted, like varying speed limits on high capacity roads that enter and exit big cities.

The new device, which recently completed a successful demonstration trial near Madrid, is said to be the only one on the market that can accurately measure the emissions from individual vehicles, even on busy roadways. The prototype is based on an infrared multispectral image camera, and uses interferential filters to identify the distinct infrared signatures of toxic gases to determine their presence in the air.

“These filters are located in a wheel that turns at a high speed in front of the detector and they provide consecutive images of the same scene on different bands, which allows for remote detection of some unburned gases (CO2, CO and HCs),” said Fernando López, head of the UC3M’s Infrared Lab

Not only could the data from the cameras be used to remove specific vehicles with high emissions, the cameras could be used to monitor roadways and reduce the speed limits on high pollution days, to provide hard numbers to environmental campaigns or to inform infrastructure planning and development.

This post was originally published in TreeHugger

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Photo Credit: UC3M

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45 comments

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7:22AM PDT on May 26, 2014

thanks for sharing :)

5:52AM PDT on Oct 6, 2013

Thank you TreeHugger, for Sharing this!

4:15PM PDT on Sep 23, 2013

Great idea

4:15AM PDT on Sep 23, 2013

I believe it.

6:49PM PDT on Sep 22, 2013

The trouble is, you KNOW that if it exists, some low-life petty tyrant -- not to suggest Scott Walker, but that little weasel does come to mind -- will try to find a way to use it against individuals. Fining people for being so poor they drive rattle-trap old jalopies would be a GREAT way to herd them into his great good friend and campaign supporter's used car lot.

If you think I'm joking, that same friend somehow managed to get a little know, seldom heard of, and even more rarely granted state dispensation to built that very car lot over a natural wetland. Where the farmer who had previously owned it wasn't even allowed to plant crops, or let cattle graze, for cryin' out loud. But for Scotty's friend, it was cleared, filled, and paved.

Do you really think the duplicitous back-stabbers of Walker's ilk, who only serve the rich, would hesitate to bilk to poor AGAIN for the good of their money-grubbing friends?

5:41PM PDT on Sep 22, 2013

Really interesting, Thanks. Any & every thing that can be done to help repair the damage we've done to the planet is great.

4:46PM PDT on Sep 22, 2013

Spend the money on public transit options instead.

3:54PM PDT on Sep 22, 2013

This looks like it could do some good !!!

3:34PM PDT on Sep 22, 2013

More big government intrusion. On the other hand, maybe this device can be used to identify the toxic emissions of industry. For a start, fracking and chemtrails come to mind.

2:44PM PDT on Sep 22, 2013

a better use than questionable tickets

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