...f electricity can be generated in one place using coal, fairly cheaply. 很大量电力，可以产生在一个地方使用煤，相当便宜。 Transporting oil and gas to the power stations is easy. 运送石油和天然气输送到发电厂是容易的。
Althoughcheaperfuelcellsandothertechnology needed to converthydrogen to powerarefairlyadvanced, there is currentlynoway to cheaply generate thelarge quantitiesof hydrogen needed.