There are times when I struggle to find ideas for Coolest Gadget articles, but sometimes, one will just appear. This was the case of the Zapcar. One moment I’m watching my kids play on the playground, and then the Xebra Electric Sedan pulls up, just begging to be written about.

Once I saw this unusual three-wheeled car, I had to ask the owners about it. I was very intrigued once they told me that the vehicle was totally electrical, with absolutely no gas or petrol is involved. The owners even opened up the lid where the gas should go on an ordinary car, and all I saw was an ordinary electric socket.

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It is bad enough that your porch isn’t lighted up at night, making it hard to open the lock on your door, but things get even worse when you’ve had a wee bit too much to drink, so even finding the right key can be quite the challenge. The Solar Keyhole Light could help alleviate some of your troubles by offering a green way of powering your door area so that you can get in soonest possible during the night.

An energy-saving white LED is powered via an integral solar panel that harnesses the suns rays to recharge the internal battery – great for you and the environment. The solar light stays on for 10 seconds, giving you plenty of time to unlock and open the door before the solar key light automatically switches off to conserve energy.

For folks who like choice, this one comes with a trio of interchangeable covers that provide a greater variety of mix-and-match combinations. The Solar Keyhole Light will retail for £12.

With gas prices climbing even mowing the lawn has started to break the bank. So unless you have the world’s smallest lawn getting an electric mower is kind of obnoxious. Besides that, if you have a solar lawn mower you can seem eco-friendly and much more cool than your neighbors. Hopefully you’re good at small DIY projects though, because that is exactly what this is. That or you could slide this website under the nose of someone that is and try to con them into giving it a try. If I actually had a lawn to mow I’m sure I’d consider trying to coerce someone else into doing this for me. Me trying to alter a lawn mower in anyway would likely end up in a small explosion.

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The biggest challenge an instant print company like Polaroid would have in the digital age is how to keep it’s unique and interesting niche in an ever competitive market and not look like just another digital camera company. With Pogo, Polaroid may be doing just that.

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Are you an over shopper? No matter how many times you go to the grocery store you always wind up buying too much food. This surplus of extra food eventually expires and is quickly introduced to the trash can. But why? Why do we waste so much food when we can use it for creating something usable?

The Kitchen Composter takes all of your leftover or rotting food and composites fully-usable fertilizer within two weeks using only 10 watts of power. The extra fertilizer not only saves you money from your local garden product dealer, but would be awesome to use on your home garden, growing your own family some fresh veggies.

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All coasters are just the same, right? I love those that feature my favorite lager, but this Solar Powered Drinks Coaster will probably usurp that preference .

Placing your drinks glass or bottle onto the solar drinks coasters sets off a mesmerizing sequence of hypnotic colors, which illuminate your glass and drinks bottle and will look fantastic in your garden this summer. Eye-catching colors include red, orange, blue, green, yellow and purple, making these solar color-changing coasters a guaranteed talking point! An integral solar panel that charges up during the day is used to power your solar coasters and an energy efficient color-changing LED produces the vibrant multi-colored effects for up to 6 hours.

It isn’t too cheap though at £14.95 each, which means equipping your whole bar will cost you a small fortune.

It’s a well-known fact that many laptops heat up considerably when in use for any long period. This of course has spawned hundreds of devices meant to cool off your notebook using any combination of heatsinks and pads. This Log Pillow takes a different approach to the situation.

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Solar power looks like it is here to stay, and we have so far seen solar powered cars being the Holy Grail in the fight to be independent of black gold, or rather, oil. Hybrid cars aren’t exactly catching on as fast as environmentalists prefer, and solar powered cars have not made the impact they were supposed to mainly because the technology is not yet there for a powerful, conventionally shaped vehicle that runs entirely off the sun’s rays. Never mind modes of transportation on land - here we have a solar powered speedboat that will slice through water pretty much in the same way an ordinary speedboat does, save for the fact that this one relies on the sun to power its electric engine instead.

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