The strike at General Motors in the US shows no sign of resolution, although a dialogue between the company and UAW is continuing.
The United Auto Workers (UAW) has said it has exchanged contract proposals with General Motors, but also said many issues remained unresolved.
Commentators in the US point to the fact that the UAW and the company are exchanging full contract proposals suggests that negotiations may be entering a final phase. However, a letter from the union's chief negotiator rejected a GM proposal delivered earlier this week and seemed to emphasise the distance between the two sides.
In a letter to Local Union president, Terry Dittes, the union's top negotiator, said: "This proposal that the company provided to us on Day 15 of the strike did not satisfy your contract demands or needs."
Dittes described the proposal as comprehensive but said it failed to meet the union's goals on health care, wages, job security, the use of temporary workers and other issues.
In response to Dittes letter, which suggests that the bargaining has so far failed to bridge the divide between the two sides, GM said it was looking for an agreement that would meet the needs of the automaker's employees and the company.

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By GlobalDataDittes also said the union responded Tuesday with a counterproposal.
"We continue to negotiate and exchange proposals, and remain committed to reaching an agreement that builds a stronger future for our employees and our company," GM said in a statement.