Rank #61
Use a solar-powered bicycle.
This solar-powered bicycle is the perfect way to get around town in an eco-friendly manner. The bike is powered by a solar panel mounted on the back wheel, which collects energy from the sun and stores it in a battery. This battery can then be used to power the bike,
From Wikipedia
A solar electric vehicle is an electric vehicle powered completely or significantly by direct solar energy. Usually, photovoltaic (PV) cells contained in solar panels convert the sun's energy directly into electric energy.