63 results found displaying 31-33
    
Michael Reese
 USA
Engine Replacement as a Way to Control Air Pollution Printer Friendly Version
My idea for state and federal air quality bureaus to get better control of the air quality in their locales would be an engine and transmission replacement program for older vehicles. Many of these vehicles are owned by low and middle income drivers, who cannot afford newer and less polluting autos; replacing the engines of these autos would be an economical way to keep air quality from deteriorating. One suggestion is to provide a certain percentage to car owners, such as 75% of the costs to replace these parts with rebuilt ones, if their vehicles have not passed state air tests.
Reward: Not having to go into the whole for a new car, and cleaner air. 

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bob12
 Canada
Microphone Generator Printer Friendly Version
I know it's not a new invention and most of us know how it works to act as transducer between air pressure (ie sound waves) and current. But the idea behind it is always to capture intelligible sound.
The idea that I propose is based on the same scheme as microphone but for the purpose of generating electricity. We can think of huge or array of microphones installed near noisy or windy places to perform like windmill but at very low cost.
Reward: mark of gratitude 

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Mark T
 USA
Wind energy pollution removers Printer Friendly Version
Wind turbines are being used to generate electricity in several countries (Denmark for example). Why don't they have turbines that exist to remove polluting particles from the air and perhaps transfer them to the base of the station. If some of the emissions of automobiles could be captured by a "windmill" then instead of using the power to generate electricity it could be used to gather the particles and concentrate them into something that is no longer floating in the air, but contained in a solid lump.
Since the air cleaners are run by wind energy, there are no electricity costs to run them.
Reward: I hate air pollution. So if you can invent this, you would make me happy. That would be my reward. 

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