1.   By investing in efficient plant it could generate lots of valuable carbon credits to sell to wealthier, more wasteful nations.

2.   The most efficient plant tested on soils polluted by heavy metals from London sewage, alpine pennycress, reduced zine to acceptable levels after nine croppings.

3.   Real wages had to rise somewhere if less efficient plant was to be scrapped and the labour shortage contained.

4.   Instead, they connect their chilled water pipes to a more efficient central plant.

5.   More efficient plants sending energy to the state would still be able to make a sizable profit.

6.   Nasser said Ford will concentrate car production at its most efficient plants.

7.   Such a step would give it a greater customer base and some efficient generating plants from which to draw power.

8.   The idea is to employ the latest technology to produce efficient generating plants that will phase out older plants.

9.   The order as written means that companies that operate efficient generating plants could still sell power at large mark-ups during periods when caps are imposed.