The cost determines the development speed of green fuel  Its biggest competitor, the oil industry, is in its heyday after more than 100 years of in-depth research and development, and most of the oil smelters currently operating have made ends meet
Biomass fuel plants still need hundreds of millions of dollars in upfront investment, which must be taken into account when calculating the price of green fuel
Compared with traditional oil, the cost of developing green fuel is at a disadvantage