A consumer group, Inner City Press/Community on the Move, said yesterday that it planned to try to block the deal.
A consumer group has called for stricter rules on broadband advertising that allow companies to promise "up to" speeds that are guaranteed for just 10% of customers.
The group included former bankers, economists, regulatory experts, and a representative from a consumer group.
But a consumer group, Fairer Finance, has warned that such tests could be manipulated.
And yesterday, a consumer group said it planned to try to block the deal.
"The dog is not barking," said Bill Vaughan, a lobbyist for Families USA, a consumer group.
And, for months, Public Citizen, a consumer group in Washington, had been calling for a recall.
Others that challenged the regulations included the New York Public Interest Research Group, a consumer group.
Public Knowledge, a consumer group, said in a statement that the chairmanship was best characterized as "one of missed opportunities".
Mr Cable also sits on the Future of Banking Commission, set up by Which?, a consumer group.
However, the federal safety agency faced its own criticism Tuesday from the Center for Auto Safety, a consumer group.
