Pedalites are bike pedals with built-in LED lights, powered solely by your pedal power. Pedalites stores the energy in a capacitor, and flashes only when you are moving. It actually flashes white to the front, red to the rear and amber to the side. Available for £49.99 ($87). Via Core77
These bikes were designed by the British team Intelligent Energy. The ENV bike is fully-functional and is based around their Core Fuel Cell from the ground up. The Core, which is completely detachable from the bike, is a compact fuel cell, capable of powering anything from a motorboat to a small domestic property.