"Kerosene is Dangerous. Yet, 1.2 billion people rely on it for light" (since they don't have access to electricity)
Solution: integrated small solar panel, battery and LED light.
Solar Lights, Solar String Lights by Nokero (no kerosene)
Designed as an all–in-one, the N233 has an integrated solar panel, easy to use push button and long-life rechargeable battery (up to five years!)
link from: .NET Rocks! vNext