Convert a vehicle alternator into a cellphone charger that has power to spare for grinding grain, pumping water, and running machines.
The “Genny” is a multi-purpose treadle-powered machine for rural areas of developing countries, a power source for such needs as:
Local – Not Imported
Gennies can be built using locally available materials, tools, and skills.
Their treadle power could be generated by local students in return for much-needed money for school uniforms and fees.