–2003, China's energy efficiency continually increased; and consequently became a hot topic in contemporary literature. However …, this paper reports the empirical study of the impact of China's energy structure on its energy efficiency from 1978 to 2003 …. The work covered primary estimation of the marginal efficiency of coal and petroleum in China, as well as the comparative …

of renewable energy on gender relations in rural communities in north-west China. The traditional energy consumption … structure in rural communities in north-west China was based on biomass and coal. However, the improved energy consumption …