"You don't enter China unless it is on terms favorable to the Chinese," said Robin West, chairman of PFC Energy, an energy consultancy in Washington.

Centro Elettrotecnico Sperimentale Italiano, a company that provides testing and certification services, energy consultancy, engineering and technology consulting for the electricity sector worldwide.

"They've talked the talk, but have little intention of actually following through," said Gary Ross, chief executive of the PIRA Energy Group, an energy consultancy based in New York.

It acquired Hydrosearch, an energy consultancy, in 2003.

Roschi + Partner AG, operating in facilities engineering and energy consultancy, was integrated into the Gruner group in 2006.

Heidelberg Energy Round Table developed the concept of a neutral and independent energy consultancy for the Rhine-Neckar Metropolitan Region which would remove those obstacles.

"E-85 is really I-85 - it's about energy independence," said Daniel Yergin, chairman of Cambridge Energy Research Associates, an energy consultancy.

Garrad Hassan Group Limited of Bristol for renewable energy consultancy.

Currently, Berendt serves as an executive at an international carbon and energy consultancy, where he invented the carbon adder concept and now directs the environmental markets practice.

Andrew McCree, the chief executive of AEA Technology, has resigned as the energy consultancy sounded its second profit warning in seven months.