About this document
Pháp Luật Bắc Giang và Tài Liệu Học Tập by Như Ý Hoàng is a document available to read on EtoBox.
Many communities are burning garbage and other biological waste products to produce electricity. Experimental work is being done to make synthetic fuels from coal or coal tars, but this process has proved to be expensive. Some experts are trying to revive hydroelectric power from streams and rivers, which used to provide one third of US electricity but now only provides four percent. Scientists are studying ways to convert the energy from ocean currents, tides, and waves into electricity.
- Author
- Như Ý Hoàng
- Language
- EN