USA

Vice President Joe Biden defends loan guarantee programme and pressures candidate Paul Ryan into admission during last night's debate

The company has pledged to reduce its overall paper use and increase its use of recycled paper

Industry divided over move with some manufacturers warning a trade war will irrevocably damage solar deployment

Telecoms giant becomes Bloom Energy's biggest non-utility customer with over 17MW of capacity

Japanese company buys into First Solar's 550MW Desert Sunlight development, diluting GE's share

International body to investigate China's complaint that import duties could be inconsistent with trade rules

Web giant announces it is to purchase 48MW of wind power for giant US data centre

Manufacturer says $250,000 superfast devices will allow its Model S sedan customers to recharge for free

World's largest private equity house expects to complete the deal by the end of the year

Top 10 companies have individually deployed more on-site solar than most utilities, industry report finds