News8: HelioVolt had its opening Friday. For decades, Austin has courted high tech as its mainstay for a vibrant economy. But now, going green is the mantra as political leaders look to cure our current economic crisis. “There is fortunately bipartisan agreement from both of the presidential nominees to address the critical problem of climate change and global warming,” Rep. Lloyd Doggett, D-Texas, said. Supporters said the solar energy market could be the key to cleaning up …