BusinessGreen.com Most Read - 4 December

Algae biofuels still 10 years away, says Shell

Heavy R&D from big oil and government led to over-optimism on commercialisation date

Government unveils smart meter master plan

Every home to have a smart meter by 2020 as government sets out its smart grid vision

Vibrating kettles - power stations of the future

Researchers at Bristol University want to harness power of vibration to provide free energy

IT to slash global carbon emissions almost 6bn tonnes by 2020

Wider use of IT in energy generation, transport, building and industry could cut carbon footprint by the equivalent of annual US emissions

Senior Tories launch attack on Cameron's green policies

David Davis slams "ferocious determination to impose hair shirt policies on the public"

Tata to produce hybrid Nano model in India

Move comes as Renault-Nissan alliance looks to target market

Senate votes down Australian cap-and-trade bill

Climate bill defeated in 41-33 vote, as government insists it will put the bill before the Senate for a third time on Friday

Carbon Trust increases maximum loan for energy-saving projects

Interest-free loans of up to £500,000 now available following increased demand for high-value loans

Smart fridges - helping to cool the planet?

More than 3,000 npower customers to take part in first large-scale UK trial of smart grid-enabled fridges

New York brings renewable energy direct to consumers

Big Apple teams up with green groups to sell Renewable Energy Certificates to New Yorkers