 Why a hydrogen economy doesn't make sense December 11, 2006 | User rating: 4.2 / 5 after 412 vote(s)
| User comments: 6
In a recent study, fuel cell expert Ulf Bossel explains that a hydrogen economy is a wasteful economy. The large amount of energy required to isolate hydrogen from natural compounds (water, natural gas, biomass), ... | |
Hydrogen-Wind-Nuclear Plant in Ontario Not Currently Worthwhile, Study Shows August 06, 2008 | User rating: 4.2 / 5 after 32 vote(s)
| User comments: 17
A recent case study on using hydrogen to store the electricity generated by a mix of wind and nuclear power in Ontario, Canada, has shown that the hydrogen addition won’t be worth the cost, at least not at the current state ... | |
 40% efficient solar cells to be used for solar electricity June 01, 2007 | User rating: 4.6 / 5 after 447 vote(s)
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Scientists from Spectrolab, Inc., a subsidiary of Boeing, have recently published their research on the fabrication of solar cells that surpass the 40% efficiency milestone—the highest efficiency achieved ... | |
 H2CAR could fuel entire U.S. transportation sector April 24, 2007 | User rating: 4.4 / 5 after 113 vote(s)
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In a recent study, scientists have demonstrated that a hybrid system of hydrogen and carbon can produce a sufficient amount of liquid hydrocarbon fuels to power the entire U.S. transportation sector. Using ... | |
 How much fuel do you save with a hybrid SUV? April 19, 2007 | User rating: 3.8 / 5 after 61 vote(s)
| User comments: 1
Hybrids are getting heavier, but they seem to bear their weight better than conventional vehicles when it comes to fuel efficiency, according to a recent study. In the study, the scientists found that the ... | |
Researchers use corn waste to generate electricity July 19, 2006 | User rating: 4.3 / 5 after 25 vote(s)
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After the corn harvest, whether for cattle feed or corn on the cob, farmers usually leave the stalks and stems in the field, but now, a team of Penn State researchers thinks corn stover can be used not only to manufacture ... | |
From Sugar to Gasoline September 18, 2008 | User rating: 4.6 / 5 after 45 vote(s)
| User comments: 9
Following independent paths of investigation, two research teams are announcing this month that they have successfully converted sugar-potentially derived from agricultural waste and non-food plants-into gasoline, diesel, ... | |
 100-mpg plug-in hybrids popping up in US September 10, 2008 | User rating: 4.3 / 5 after 64 vote(s)
| User comments: 16
Although many people would like to drive more fuel-efficient vehicles, most of us have to wait for the large vehicle manufacturers to mass-produce affordable cars that run on alternative power. In the meantime, ... | |
 MIT engineers work toward cell-sized batteries August 20, 2008 | User rating: 4.5 / 5 after 36 vote(s)
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(PhysOrg.com) -- Forget 9-volts, AAs, AAAs or D batteries: The energy for tomorrow’s miniature electronic devices could come from tiny microbatteries about half the size of a human cell and built with viruses. | |
 Scientists mimic essence of plants' energy storage system July 31, 2008 | User rating: 4.7 / 5 after 305 vote(s)
| User comments: 47
In a revolutionary leap that could transform solar power from a marginal, boutique alternative into a mainstream energy source, MIT researchers have overcome a major barrier to large-scale solar power: storing ... | |
 Scalable wind turbine might fit on your roof May 26, 2008 | User rating: 4.4 / 5 after 72 vote(s)
| User comments: 14
When you think of wind power, you probably picture gigantic wind turbines spinning gracefully in the middle of large open areas. | |
 80-mph electric car to go on sale this summer in the US May 08, 2008 | User rating: 4.4 / 5 after 84 vote(s)
| User comments: 25
Green Vehicles, a company based in San Jose, California, has recently revealed that it will begin selling two lithium-ion-powered electric vehicles early this summer. The three-wheeled TRIAC is a highway-capable ... | |
 MIT spin-off plans to manufacture cheap, efficient solar cells March 27, 2008 | User rating: 4.6 / 5 after 78 vote(s)
| User comments: 10
Researchers from MIT have improved commercial solar cells that will soon be significantly cheaper and more efficient than those available today. Ely Sachs, a professor of mechanical engineering at MIT, predicts ... | |
Smithsonian scientists highlight environmental impacts of biofuels January 03, 2008 | User rating: 4.3 / 5 after 23 vote(s)
| User comments: 8
Biofuels reduce greenhouse-gas emissions in comparison to fossil fuels. In the Jan. 4 issue of the journal Science, Smithsonian researchers highlight a new study that factors in environmental costs of biofuel production. ... | |
 Sony Develops 'Bio Battery' Generating Electricity from Sugar August 23, 2007 | User rating: 4.6 / 5 after 61 vote(s)
| User comments: 1
Sony today announced the development of a bio battery that generates electricity from carbohydrates (sugar) utilizing enzymes as its catalyst, through the application of power generation principles found in ... | |
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