Coalition of international agencies sets out road map for auto industry to deliver 50 per cent improvement in fuel efficiency using existing technologies

1,000km of cables need to be fitted to ensure new capacity can be connected to the grid

Lord Drayson says there is an urgent need to restate the scientific evidence for global warming and calls for companies to focus on their environmental obligations

Chairman says experience as a regulator will be brought to bear

Manufacturer of plug-in hybrid sports car secures fresh funding to take stake in battery supplier

New technique inspired by coffee stains could cut cost of energy-efficient LCD and plasma TVs

Lib Dems urge government to use controlling stake in banks to force them to disclose the carbon impact of their investments

Surveys show a sizeable chunk of shoppers will buy green no matter the economic climate, but there are a few tools retailers can use to encourage customers to shop for the greenest products

Concerns over legality of alcohol-based fuels under Islamic law could dampen interest in biofuels in Muslim countries

Democratic leaders outline proposals to stop using coal at Washington DC's symbolic power plant