Science and Coal

Posts Tagged ‘time’

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One never knows what tomorrow might bring. A good student prepares his work, and submits essay writing on time. The responsible student plans his work schedules carefully, both for school, and for any outside employment he or she might have.

When the unexpected happens, it may feel like the student is being robbed of time. Suddenly his planning needs to be revised. Unfortunately, sometimes this will not guarantee that the student can complete all of the assignments by their due dates.

Writing custom essays is a difficult, multi-part process. If a student is called away before an essay is completed, he can retain peace of mind – and a good grade – by employing an essay writing service to help finish the report. Even if it is something that is due in a day or two, and a student hasn’t even begun to write when a personal calamity occurs, the help of a writing service can make sure that all is accomplished. Read the rest of this entry »

As the United States’ oil reserves dwindle, some say the nation will have to rely on synthetic petroleum fuel made from its large stores of coal.

A two-step chemical process augments a method of making cleaner-burning alternative fuel from coal and other carbon sources by transforming some of its waste products into diesel fuel, researchers from the University of North Carolina at Chapel Hill and Rutgers, the State University of New Jersey, report.

“Two percent of the United States’ energy reserves is in oil, 3 percent is in gas, and 95 percent is in coal,” said Dr. Maurice Brookhart, W.R. Kenan Jr. professor of chemistry in UNC’s College of Arts and Sciences. “Many people in the energy sector think that when oil starts to run out, coal will be a source of transportation fuel for some time before we perfect the science behind solar and hydrogen-based energy. Producing diesel fuels from coal is especially attractive since diesel engines are more efficient than gasoline engines.” Read the rest of this entry »

Turning coal into gasoline-like fuel has several advantages. It would use America’s vast coal reserves. It would reduce the nation’s thirst for foreign oil and help dampen spikes in energy prices. There’s just one problem: It is not “climate friendly” – at least, not yet.

Coal-to-liquids (CTL) fuels could end up emitting nearly double the carbon dioxide that the equivalent amount of gasoline does, mostly because of the way it’s manufactured. The CTL industry says new technology will fix the problem. But because such technology is not yet developed, it’s unclear whether CTL fuels would be competitive without state and federal subsidies, even competing against high-priced diesel, jet fuel, or gasoline, analysts say.

That’s where politicians come in. The National Mining Association has ramped up Capitol Hill lobbying, creating a new coalition and website, futurecoalfuels.org. Many in Washington are warming to the idea. CTL bills in the House of Representatives and the Senate have received strong backing. Read the rest of this entry »