Because kerosene can be used so cheaply, alternatives are neglected
1. Kerosene’s characteristics are unmatched. 
It has the highest energy density (thrust to weight ratio) and chemical stability. It’s low freezing point allows efficient flights in cold air at high altitudes whilst it is very safe to use. A burning match doesn’t ignite a puddle of kerosene when it is thrown into.. Continue reading “Alternatives for kerosene are delayed”