ENN executives have talked to the US department of energy about joint research , a sign that the transfer of low-carbon technologies is no longer a one-way street from west to east.

• 新奥集团的高层已与美国能源部洽谈过有关联合研究的事宜，这表明，低碳技术的转让已不再是一种由西渐东的单向交流。