Obama: Keystone pipeline must not add to global warming

President Barack Obama signaled Tuesday that the Canada-US Keystone XL oil pipeline will be approved only if it does not increase emissions of the greenhouse gases that contribute to global warming.

Taking X-rays of CO2

As CO2 levels in the Earth's atmosphere top 400 parts per million, options such as storing the greenhouse gas in porous sandstone rock formations found in abundance on the sea floor are of increasing interest. But how do ...

Escherichia coli bacteria produce diesel on demand

It sounds like science fiction but a team from the University of Exeter, with support from Shell, has developed a method to make bacteria produce diesel on demand. While the technology still faces many significant commercialisation ...

Nanofibers clean sulfur from fuel

(Phys.org)—Sulfur compounds in petroleum fuels have met their nano-structured match. University of Illinois researchers developed mats of metal oxide nanofibers that scrub sulfur from petroleum-based fuels much more effectively ...

Building a sustainable hydrogen economy

The concept of the hydrogen economy (HE), in which hydrogen would replace the carbon-based fossil fuels of the twentieth century was first mooted in the 1970s. Today, HE is seen as a potential solution to the dual global ...

Petroleum-eating mushrooms

Take a Petri dish containing crude petroleum and it will release a strong odor distinctive of the toxins that make up the fossil fuel. Sprinkle mushroom spores over the Petri dish and let it sit for two weeks in an incubator, ...

Solar rays could replace petroleum fuels, research shows

(PhysOrg.com) -- Alternative fuel sources for cars may have a glowing future as a Kansas State University graduate student is working to replace petroleum fuels with ones made from sunlight.

page 2 from 3