Investment

Many hot rock research projects to receive "unprecedented" level of federal funding

SAIC plans rollout of hybrid and all-electric autos over the next three years

Carbon markets have been hijacked by speculators and should be replaced with direct taxation, says Friends of the Earth

US Department of Energy provides Alaska, Kansas, Utah and West Virginia with cash for energy efficiency and green job projects

Sage of Omaha hails "extraordinarily environmentally friendly" means of transport

Report forecasts slow growth for renewable energy in the region, at only 1.3 per cent annually

Chief executive warns that setting price controls too tight will hamper energy firm's ability to invest in smart grid technology

Prices largely unchanged as voluntary carbon market continues tentative recovery

Democrats insist the show must go on, despite Republicans' refusal to attend mark-up meetings

Hydropower, wind farms and domestic solar panels also planned for remote areas