Ethanol is changing the way farmers farm

Farmers weaned on the virtues of crop rotation -- planting corn one year and soybeans the next to stem the build-up of disease and insect damage in their fields -- are considering planting programs that include two or more years of continuous corn.

Ukraine fears energy crisis as gas prices bite

Higher taxes on flights and cars in Tory plan

Big rises in car taxes and petrol duty are being considered by the Tories in a review of transport policy that threatens the party's reputation as the "motorist's friend". The Conservatives are also considering an increased levy on short-haul flights to curb stag weekend travel to Europe, as they move to establish the "polluter pays" principle over the environmental cost of transport.

Nicaragua Muses on Energy Crisis. The energy crisis is causing water shortages and street protests.

Necessity mother of invention in gas-fuelled Armenia

Stop one of the creaking, Russian-made taxis plying their trade in Armenia's capital, Yerevan, and odds are it will have a gas canister strapped into the trunk. Battered buses have rows of red canisters fastened onto their roof-racks.

Prices prompt oil, gas investment scams

Clock company helps workers save time, money: Atlanta employer offers flex time, van pool to ease pain at the pump.

Oil prices 'may retreat to $58 in 2008'

Bye Bye Petroleum

With demand for oil soaring yet supply stable at best, the idea that oil stocks have 'peaked' is increasingly influential. So what are the latest theories around peak oil?