The company is building the potential long-term cost of carbon into its capital spending plans for each of its major projects around the world and improving energy efficiency in its facilities, including a 10 percent improvement in energy efficiency at its U.S. refineries by 2012.

Leaked report says transport is the main offender in creating greenhouse gases.

Oped by former EPA head, Christine Todd Whitman.

The Tesla Turbine could far surpass the efficiency of the internal combustion engine. Recuperative hydraulics can be used for low-speed, high-torque needs.

My commute to work and back is about 15 km, and looking at the fuel consumed by my gearless scooter now, I am tempted to buy a battery-operated bike. But not much information is available about these types of two-wheelers and I am worried about buying a not-so-popular brand. What should I buy and where, ask T. K. Srinivas.

The LDS Church uses NEVs. So does the University of Utah. A builder in the DayBreak development is giving them away to new homeowners.

A flotation could see Vectrix valued at up to 200m. It is thought any float would be made on London's Aim market.

David Strahan and Duncan Clarke take opposing sides on the peak oil debate in The Last Oil Shock and The Battle for Barrels. Larry Elliott weighs up the evidence in this 'double-barrel' book review.

The project was largely funded by the US Department of Energy, with other partners including Nevada Power Company.

Statoil's two hydrogen-fuelled cars will be linked in with the Forus HyNor station, and then in June nine new cars will be linked in with a new HyNor filling station at Groenland.