A report from the Department of Energy's inspector general says grants were "overly generous" to Ecotality, a company that makes charging stations for electric cars, but concludes the grants were not illegal.
Republicans have launched withering criticism at Ecotality for the $135 million it has received from DOE, The Hill reports.
Of that total, $100 million came as part of the fiscal stimulus program in 2009, and the remainder came in grants from 2005 to 2011.
"While we did not specifically identify evidence indicating that the cost-share was prohibited under federal regulations ... existing policies were not effective in preventing what we consider to be the allowance of an overly generous cost-share for this project,” DOE Inspector General Gregory Friedman wrote in the report.
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