Shippers Cool on Green Fuels as Costs Stay Too High

The shipping industry is being blamed by climate activists for emitting a solid portion of the world’s atmospheric carbon dioxide. Under pressure, the industry has been trying to find an alternative to the traditional fuels it uses, all petroleum derivatives. It has, however, encountered a problem. All the potential—presumably greener —alternatives are so expensive, no one can afford them. The shipping industry accounts for about 3% of global carbon dioxide emissions. For activists and politicians, this is too big a percentage,…