GRADING THE WIND

摘要

The American Wind Energy Association gave the U.S. a "B" for its 2008 progress toward reaching 20 percent of electricity supply from wind energy by 2030.rnIn 2008, wind made up 40 percent of the nation's new generating capacity. Wind farm development is expected to slow sharply this year, AWE A said.rnThe AWEA Report Card gave a C-to the nation's efforts on transmission. Other indicator areas were graded as follows: Technology Development A-, Manufacturing B+, and Siting B.