Waltham-based battery maker A123, which in 2009 got a $249 million Department of Energy grant to help build its U.S. factories, filed for bankruptcy protection Tuesday.
President Obama’s support of alternative energy companies has been criticized by Republican presidential candidate Mitt Romney. According to the Associated Press, the GOP has accused Obama of wasting stimulus money on the companies after the failure of Solyndra LLC, a solar power company. The company's bankruptcy left tax payers on the hook for $528 million.
- Michel Di, head of U.S. analysis for Bloomberg New Energy Finance, a market research firm based in New York City
This segment aired on October 17, 2012.