CVT Corp. has developed a high efficiency toroidal CVT (Continuously Variable Transmission) suitable for the heavy-duty vehicle market. The company claims that their product dramatically reduces fuel consumption (as much as 25%).

"Our target is to produce a hydrogen fuel-cell car for $50,000 by 2015," says Peter Froeschle, a senior manager at DaimlerChrysler, which has already spent more than €1bn (£675m) developing its fleet of prototypes, " though we don't expect the operation to be profitable until 2020."

IBM calls the research initiative collaborative driving, and the company says it's designed to prevent accidents and reduce traffic congestion.

The development of flow batteries has reached the stage of demonstration projects. Small- scale products are already available on a commercial basis, while for the larger-scale projects demonstrations have been started. These demonstration projects prove the technology and show that it can be applied on a large scale.

HERE’S one popular vision for saving the planet: Roll out from under the sumptuous hemp-fiber sheets on your bed in the morning and pull on a pair of $245 organic cotton Levi’s and an Armani biodegradable knit shirt. Skip to next paragraph Post Typography Related Tread Lightly, Fly Directly (July 1, 2007) Enlarge This Image Mark Elias/Bloomberg News WORLDLY GOODS The 438-horsepower Lexus luxury hybrid sedan. Stroll from the bedroom in your eco-McMansion, with its photovoltaic solar panels, into the kitchen remodeled with reclaimed lumber. Enter the three-car garage lighted by energy-sipping fluorescent bulbs and slip behind the wheel of your $104,000 Lexus hybrid.

The Oxford Research Group paper, funded by the Joseph Rowntree charitable trust, says that the worldwide nuclear "renaissance" planned by the industry to provide cheap, clean power is a myth.

Video artist Molly Schwartz traces how far food travels from field to fork.

Searching the web it is possible to find the price of a short gallon of regular gasoline for a number of countries around the World. In April the USAToday published a good number of prices provided by the AA Motoring Trust. And the Wikipedia gathers prices reported on the media during the last months. Compiling these numbers one gets Figure 1.

To take a glimpse at what life might be like without today’s reliable supply we take a trip to Africa, Uganda, courtesy of Nokia who have carried out an investigation looking at how people manage to keep their mobile phones charged and maintain some degree of electricity use at home in off-grid parts of the country.

A new way to examine humanity's impact on the environment is to consider how the world would fare if all the people disappeared

Odyssee is a detailed database on energy efficiency data & indicators, for the EU-15 members and Norway.

To all, who know how to solve the problems mathematically, something for you all? Please solve it Kirchoff’s Current Law (KCL): At every node, the sum of all currents entering a node must equal zero. Kirchoff’s Voltage Law (KVL): The voltage law says that the sum of voltages around every closed loop in the circuit must equal zero.

Together, we project these four clean-energy technologies, which totaled $39.9 billion in 2005 and expanded 39 percent to $55.4 billion in 2006, to quadruple to more than $226.5 billion within a decade.

Oil commodity futures are in demand as financial instruments in a different way than when they were used primarily as a way for refiners and distributors to manage the risk on their physical market activities. As that demand grows--as more individuals, companies, and hedge funds want to participate in the oil market, without a link to any physical supply or demand for the commodity--then the price of these instruments ought to rise, in tandem. But with the price of most physical oil pegged to a futures market, whether for WTI or European Brent crude, that demand can influence the physical market, as well, without changing the real supply or demand by one barrel.

Ohio State University engineers are working to make the traffic control boxes that stand beside major freeways smarter. They've developed new software that helps the computerized boxes locate road incidents -- such as traffic back-ups or accidents -- and notify transportation authorities at lower cost, especially in rural areas.

Global Resource Corporation (GRC) (OTC: GBRC.PK) claims that its HAWK 10 high-frequency microwave recycling process can recover oil and gases from oil shale, residual oil, drill cuttings, tar sands oil, contaminated dredge/sediments, tires and  plastics with significantly greater yields and lower costs than are available utilizing existing known technologies.