208 results found displaying 25-27
    
gadgie
 United Kingdom
Solar Powered Safety Idea for Vehicles Printer Friendly Version
How about a solar panel fitted behind both front and rear bumpers, that charge up a battery during daylight?
This will power the hazard lights, so that if the car ever breaks down and loses all power, these hazard lights could be activated by the small Solar powered batteries, to warn other drivers that you are there!
The power is independent from the car's main power source, so it would still be able to function, warning other drivers of your presence.

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22°

    
adelz7
 USA
Public Solar Panels that Charge Your Car Battery For Free Printer Friendly Version
Sometimes when driving in the city and you get a dead battery, you wish there would be free and accessible juice to charge your car battery.
There should be light poles with solar panels attached, that provide enough power to charge your vehicle's battery for free. This might be a good idea at rest areas, too.
Reward: A pack of 4 AA rechargeable batteries. 

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33°

    
abmscopes
 United Kingdom
Street Ice clearer Printer Friendly Version
I suggest a vehicle (driven or hand pushed for pavements) which progresses slowly along roads carrying out the following stages to clear snow/ice.
Front of machine has chopping/grinding/scraping blades with a hot air heater and suction device. Collected ice and snow is forced into an internal heating tank. Tank is violently churned and mixed whilst being heated enough to melt to slush/water. Side vents expell water into guttering and drains, leaving a cleared road/pavement.
Considering the array of sophisticated machinery on our roads today and the polluting effects and costs of salt/grit spreading I surmise that this would be a feasible and economical device to build and maintain with current technology.
Reward: Just a name-check in the device name would be nice! 

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34°

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