The Trading Standards Institute (TSI) said it welcomed the move, but urged the government not to dilute the powers of trading standards officers powers to enter premises unannounced, currently part of the plans.

BBC: Finance

Regier hasn't ruled out trading one or both as they enter the final year of their contracts.

WSJ: Sabres' coach Rolston sheds interim tag

The agreement, announced today, puts an end to more than a year of on-and-off talks between the two futures markets, one looking to add electronic capabilities and the other seeking to enter the lucrative world of energy trading.

FORBES: Magazine Article

B2B exchanges are also starting to make some headway in trading contracts, having realised that spot markets, though easy to enter, are usually too small.

ECONOMIST: B2B exchanges