Kerosene is the primary source of light for over a billion people on the planet. Its fumes can cause health problems for those that use it frequently (sometimes children, studying after dark), and the long-run costs can reach a quarter of a family’s income. To top things off, kerosene’s black carbon byproduct is a far greater threat to climate change than carbon dioxide (see article). Despite all these problems, its incrementally cheap price and ubiquity make it popular.
 
In light of this, numerous clean-energy organizations have stepped up to tackle this problem... Continue Reading >