Chairman of DOE-backed electric car firm resigns

Republicans used Fisker's recent troubles in post-election attacks against President Obama's green energy efforts that they label a failure. GOP operatives also circulated news of the resignation Wednesday on Twitter.

Republican Sens. John ThuneJohn Randolph ThuneWeek ahead: Tech giants to testify on extremist content Overnight Tech: GOP senator presses Apple over phone slowdowns | YouTube cancels projects with Logan Paul after suicide video | CEOs push for DACA fix | Bill would punish credit agencies for breaches GOP senator presses Apple on phone slowdowns MORE (S.D.) and Chuck GrassleyCharles (Chuck) Ernest GrassleyGOP senators eager for Romney to join them Five hurdles to a big DACA and border deal Grand jury indicts Maryland executive in Uranium One deal: report MORE (Iowa) have been particularly wary about recent sales of government-backed firms to foreign entities.

The senators were leading opponents of a Chinese firm’s purchase of A123 Systems. The Waltham, Mass.-based battery maker had received a $249 million DOE grant in 2009, though won't collect the remaining $117 million of that award.

Grassley has also said he worries Fisker could run into the same problems as A123.

“Like A123, this looks like another example of taxpayer dollars going to a failed experiment. Technology developed with American taxpayer subsidies should not be sold off to China. I hope there's at least some accountability at the Department of Energy, but given its track record, I'm not holding my breath,” he told The Detroit News in February.