WWF report says one in 17 cars by 2020 and one in six by 2030 must be electric if we are to meet emission targets
Price of barrel of Brent Crude clears $116 as military action in Libya escalates
Public transport chiefs demand more funding to cope with spike in passenger numbers caused by soaring fuel prices
"Even if we tap every single reserve available to us, we can't escape the fact that we only control two per cent of the world's oil"
Short-term lowering of limits by 10km/h imposed as part of a package of measures to cut oil demand
As Middle East conflicts cause oil prices to rise dramatically, government spells out plans for radical energy shift
A United Nations food price index reached another record in February, as unrest in Libya pushed up the price of oil, a major part of agricultural production
Energy and climate change minister says $100-a-barrel oil transforms the economics of low-carbon policies
Prices approach $120 a barrel before falling back on news Opec will increase supplies
Oil hits highest price since August 2008, investors worry spreading turmoil could damage production