New rocket fuel aims to help NASA 'go green'

By Jillian ScharrTechNewsDailyFrom the rocket launches of the 1970s up to Curiosity Mars Rover last year, spacecraft have used a fuel called hydrazine to propel them through space.In terms of raw power, hydrazine is highly flammable and throws off an enormous amount of heat. But hydrazine is also highly toxic, both when inhaled and when it makes contact with human skin, and its flammability makes ...