Static electricity could remove dust from desert solar panels, saving around 45 billion litres of water every year. Some of the largest solar farms in the world are in deserts, such as Mohammed ...

France's Green Cat Technologies has possibly the most head-turning concept at the show with a caravan that folds out into a roomy living space complete with solar and wind power generation.

THIS is the world's "most futuristic" caravan, featuring extending solar panels, a secret bathroom under a worktop - and even a built-in 3D printer. YouTube stars Ladi & Margaret showed off their ...

But if you had to name two, the glowing eyes under their hooded faces comes a close second, which ThinkGeek has managed to include on these adorably creepy Jawa ... power, which is provided by a ...