1.   Improved refining technology and the use of more low-sulphur oil have helped cut emissions.

2.   He sees problems in refining existing technologies, in addition to developing new ones.

3.   Companies like Yahoo and Quova Inc., meanwhile, continue refining technology aimed at limiting access to Internet material geographically.

4.   Kells said CSR would use very low color technology on refined sugar exports to Asian countries, such as Indonesia, which do not have any sugar refining technology.

5.   Romanian officials claim their country offers the shortest route and the best refining technology.

6.   French researchers will focus powerful lasers into night skies here over the next ten days in experiments aimed at refining technology for astronomical observation.