Seeded with grant-funding from the U.S. government, six new clean energy ideas have attracted traditional investment capital to move their businesses forward.

From original article:

"In late 2009, the federal government gave $151 million in grants to advance 37 clean energy ideas deemed too radical or too preliminary to attract much private financing - like electricity storage that mimics photosynthesis and batteries that double or triple the energy stored per pound.

"Since then, six of the projects have made enough progress to attract $108 million in private venture capital financing - about four private dollars for every dollar that the taxpayers spent to get them rolling - the Department of Energy plans to announce Thursday."

Read original article