"Mr Fisker's departure is not expected to impact the company's pursuit of strategic partnerships and financing to support Fisker Automotive's continued progress as a pioneer of low-emission hybrid electric powertrain technology, " the company said in a statement.

BBC: Henrik Fisker resigns from carmaker

Its lead in hybrid technology is under threat as other big carmakers scramble to bring low- and zero-emission vehicles to market before low-carbon legislation bites.

ECONOMIST: Struggling giants