Another suggests that Trident be used as a bargaining chip to begin negotiations on reducing reliance on nuclear weapons worldwide.

Quite apart from its environmental advantages, a robust domestic gas industry would reduce reliance on imports.

But they could help to reduce reliance on fossil fuels.

New technologies are bringing down energy costs and reducing reliance on oil imported from volatile and hostile regions.

The Government has identified wind power as a key to reducing reliance on carbon dioxide producing energy sources.