Steven Chu
Four US states receive $38m in green funding
US Department of Energy provides Alaska, Kansas, Utah and West Virginia with cash for energy efficiency and green job projects
US performs hydrogen funding U-turn
Senate votes to commit about $200m to fuel cell funding, despite indications from the White House that it would like to see green investment targeted elsewhere
US energy secretary envisages rapid CCS rollout
US energy secretary Steven Chu predicts that once developed, intellectual property rules will be unable to contain the rapid rollout of carbon capture technologies
US drives $300m into green city transport initiatives
More than 500 green fuelling stations and 9,000 low-carbon vehicles to be rolled out as part of economic stimulus project
US government pumps $57m into smart grid
Eight demonstration projects to receive government funding as energy secretary highlights rapid adoption of smart grid technologies
US and China sign clean tech pact
Countries agree to work together on $30m joint energy research centre
US taps stimulus fund for more than $300m in clean tech investment
Department of Energy unveils $306m of funding for energy efficiency and heat pump projects
Paint the world white to fight climate change, says Obama's energy guru
Reflecting sunlight on buildings and cars among dozens of ideas considered by Steven Chu and the US energy department
US energy secretary urges greens to compromise on emission targets
As US climate bill clears latest hurdle, Steven Chu warns there will have to be a compromise on emission targets if further delays to legislation are to be avoided
US pumps $84m funding into geothermal energy
Department of Energy announces up to $84m in funding for enhanced geothermal projects
Obama confirms energy and environment appointments
New team's green credentials underline president-elect's commitment to low carbon agenda
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