The Energy Department has been criticized for failing to protect taxpayers from a failed $529 million loan to solar panel Solyndra, which went bankrupt in 2011 and laid off 1,100 workers.
Fisker, maker of the $100,000-plus Karma hybrid sports car, has not built a vehicle since last summer and has failed to secure a buyer as its cash reserves have dwindled.
A company spokesman declined to comment Monday.
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