Cops based near Oxford in the UK have revealed that they are unable to to use flashing blue lights on their new electric car - in case it drains too much power from the battery.

The Thames Valley police force is testing out the £20,000 ($33,000) Mitsubishi iMiev in an effort to improve its environmental credentials. Apart from this quite obvious setback, they have been pleased with the silent, emission-free car, capable of travelling 100 miles on a single charge (with the lights off).

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A UK company has launched a new device that allows users to cut-off their water supply at the flick of a switch, drastically reducing wasteage and giving a significant boost to water conservation efforts.

Instead of scrabbling around looking for the stopcock, the new Surestop device allows users cut supply instantly, saving water loss, and consequent damage, whilst giving householders direct control over water consumption.

Now the company hopes to expand into areas crippled by drought, where water conservation is a pressing priority.

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Tremont Electric has launched a portable energy generator that allows users to charge handheld electronic devices simply by going for a walk.

The nPower PEG, launched at last week’s 2009 CES event, works on the principle of electromagnetic induction to create a 100% renewable energy source for everything from iPods to mobile phones. To get a charge, users simply connect the PEG to their mobile device and lay it vertically, either against their hip, or in a bag, while they go for a walk or a run.

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A team of designers have created solar power generating sunglasses capable of charging portable electronic devices on-the-go.

The SIG, or ’self-energy converting sunglasses,’ contain integrated dye-solar cells and can be simply connected to the power jack in an iPod or PSP, allowing devices to be charged without the need to hook up to the mains supply.

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