1
The strong, coarse, sluggish organization is adapted to occupations requiring power and momentum.
2
Diamond drills were used at the lower heading requiring power; the other fifteen headings were driven by hand-work.
3
China passed a renewable energy law in 2006 requiring power distributors to buy all the power generated by renewable energy projects.
4
Weak infrastructure drives up costs for project developers, and inefficient power grids discourage deployment of renewable energy in areas requiring power supply.
5
The EPA has begun issuing rules to cut emissions from cars and requiring power plants to have permits to emit carbon dioxide.