Qteros, formerly known as SunEthanol, nearly doubles its $25m B round with $22m initial close of its series C.
Qteros, a US-based developer of biofuels previously backed by oil groups BP and Valero Energy, has raised $22m in its initial series C round.
No investors were disclosed in this round, although beyond the two oil groups as previous investors have been venture capital firms Battery Ventures, Venrock, Soros Fund Management, Long River Ventures and Camros Capital.
John McCarthy, executive president of Qteros since the start of the last year, said: "As we continue to accelerate our commercial plans,…
