A round-up of other ECOnomics news stories...

CORK retail LED firm Nualight has raised €9.1 million from investors and Climate Change Capital.

NETWORKING giant Cisco has knocked IBM off the top spot in the Greenpeace green IT league.

SIEMENS will invest $298 million (€241 million) in a joint venture to build a 140MW Bulgarian wind farm.

UNITED AIRLINES has completed the first US flight using a mix of jet fuel and biofuel made by Rentech.

A SURVEY by IBM found that two-thirds of US workers wish their offices were more energy efficient

SAAB tidal energy spin-off Minesto has raised €2 million to help finance testing its tidal kite off Northern Ireland’s coast

GE has developed an LED bulb that will last 17 years

CHINA has developed its first wave-energy project and has plans to build a massive 10GW wave farm

TELEKOM Austria is turning telephone boxes on Vienna’s streets into electric vehicle charging points

SWISS engineering firm ABB has bought US smart-grid software specialist Ventyx for $1 billion (€810 million)

CHINA’S biggest wind- power producer plans to invest €10.5 billion in wind farms there and abroad over the next five years