Tata Steel's vice chairman says the company needs to be competitive
Corus unions on Teesside have dismissed claims by owner Tata Steel that not enough is being done to reduce costs.
B Muthuraman, vice-chairman of the Indian company, told the BBC's Inside Out that the Redcar site will not receive investment unless more is done.
Up to 2,000 jobs have been at risk at Teesside Cast Products (TCP) since a consortium pulled out of a major deal.
Geoff Waterfield, multi-union chairman of Corus on Teesside, said TCP's costs had been "scrutinised constantly".
Inside Out spoke to Mr Mutharaman in his former role as managing director of Tata Steel - which paid £4.3bn for Corus in 2006.
He said: "It is all costs. It is not investment. It is not new equipment.
"We must remember people need to earn the right to invest and that earning the right to invest comes from earnings and earnings come from reductions of costs, whether it is employee costs, whether it is conversion costs, operating costs."
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Inside Out North East and Cumbria is on BBC One on Monday at 1930 BST
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