But city officials said none would work without large public subsidies.
In return, the countries without subsidies agreed to make changes as well.
But that is hard to imagine without huge public subsidies.
"But actually it would be hard to farm without subsidies."
History shows that no energy sector was developed without subsidies.
It was never economic and would not have existed without huge subsidies.
"It is now available without subsidy from fully private firms."
If nuclear plants cannot compete without subsidies, he said, they should not be built.
Some efficiency improvements are put in place without subsidies, however.
It is important for these new products to be developed and to thrive in a free market without subsidies.