Tag: "diesel" at biology news
Environmental costs of home construction lower with wise choice, reuse of building materials
...luded not just electricity but also such things as diesel
and fuel oil to extract and haul materials, natural gas to generate steam in lumber mills and electricity for steel mills. "Everything kind of flows from energy consumption," Lippke says. "If you're using energy, you're polluting water, polluting ai...
Livermore research in accelerator mass spectrometry highlighted at ACS meeting
...loped in Livermore's studies on soot production in diesel
engines. LLNL's contributions to national energy and environmental programs are closely coupled to its Department of Defense munitions lifetime project. Westbrook and Pitz compared two different high explosive materials, TNT and RDX, and will present...
American Lung Association's 2004 State of the Air report ranks cities and counties with dirty air
...cle pollution. Produced by power plant emissions, diesel
exhaust and wood burning, among other sources, particle pollution can be dangerous when it reaches unhealthy levels over a few hours or a few days, as well as with constant daily exposure over a long period of time. The complex and dangerous health ...
'Springer' - A solution to water pollution?
... electrically powered, avoiding the possibility of diesel
contamination of water or atmosphere. The project aims to stimulate the growth of UK expertise in USV technology, which is attracting increasing interest worldwide. A key focus will be the development of a novel navigation, guidance and control syst...
Brown earns prestigious geography award
...ncluding optical control coatings for roofs, clean diesel
engines, combined heat and power systems, and advanced industrial materials that resist degradation at high temperatures. Brown's research has centered on issues surrounding the commercialization of new energy and environmental technologies and the p...
Scientists identify genes that regulate allergic response to diesel fumes
... developing respiratory allergies from exposure to diesel
emissions depends largely on genetics, according t... who are susceptible to the deleterious effects of diesel
emissions on the clinical course of asthma and hay fever," says Kenneth Adams, Ph.D., who oversees a...
MIT's plasmatron cuts diesel bus emissions, promises better gas engine efficiency
...vice, used with an exhaust treatment catalyst on a diesel
engine bus, removed up to 90 percent of nitrogen o...sorption catalyst approach under consideration for diesel
exhaust NOx removal requires additional fuel to work," explained Daniel R. Cohn, one of the leaders ...
Fe-TAML(R) activators developed at Carnegie Mellon remove recalcitrant sulfur from automotive fuels
...ing, more fuel-efficient automobile engines." Most diesel
fuels on the market in the United States contain 500 parts per million (ppm) of sulfur contaminants. By approximately 2010, the EPA will require all transportation fuels to contain no more than 30 ppm of these pollutants. Sulfur contaminants interfer...
Trade Center debris pile was a chemical factory, says new study
...other upwind sources, such as power plants and the diesel
trucks used to haul away the debris. When the trade center towers burned and collapsed, tons of concrete, glass, furniture, carpets, insulation, computers and paper were reduced to enormous, oxygen-poor debris piles that slowly burned until Dec. 19,...
Homeland security highlights ACS scientific meeting in New York Sept. 7-11
...ood Processes for developing cleaner gasoline and diesel
fuels The latest DNA research from a variety of international experts The collapse of the World Trade Center: what scientists have learned about the consequences of dust clouds on health and the environment New methods of protecting water quality ...
Vehicle traffic associated with increased carcinogen levels
...ed with the larger vehicles are due in part to the diesel
engines that more likely power these larger vehicles. "In Baltimore's urban communities as with many other U.S cities, many people live in close proximity to busy streets. What's more, in many communities, the curbside stoop provides a venue for soci...
Natural approach to cleaning up toxic freeway runoff urged
...ound in soot-like, micron-size particles. He cited diesel
engines as one of the main sources of these particles. Because conventional storm drains were designed to prevent flooding, they provide what Stenstrom calls "the biggest, slickest pipe to the ocean." "If you want to prevent floods, that's the way to...
MIT study: Hydrogen car no environmental panacea
...ogen fuel-cell vehicle will not be better than the diesel
hybrid (a vehicle powered by a conventional engine...e next 20 years, improving mainstream gasoline and diesel
engines and transmissions and expanding the use of hybrids is the way to go. These results come from...
Wilmington chemist wins national award for environmentally friendly processes
... running to convert the natural gas to sulfur-free diesel
fuel. Manzer grew up on the Canadian side of Niagara Falls and remembers walking across to a U.S. pharmacy to restock his chemistry set. "This interest in chemistry has never left me for over 40 years, and every day that I come to work I'm anxiously ...
Ann Arbor chemist wins national award for extracting sulfur from fuel
...e're most excited about desulfurizing gasoline and diesel
fuel," he said. Most fuels now contain more than a gram of sulfur per gallon, which contributes to acid rain. New federal standards are coming in 2006, however, to reduce those levels drastically. "Reaching those levels with the current industry meth...
Ecowar looming with sunken wartime wrecks
...contained in the wrecks, which range from 60-tonne diesel
vessels to 40,000-tonne battleships. "This is one of the main gaps in our knowledge," says Gilbert. The problem is that no one is very interested in funding such an investigation. Pacific Island nations, which stand to lose the most from any oil spil...
Story tips from the Department of Energy's Oak Ridge National Laboratory, January 2003
...226; email@example.com ] ENVIRONMENT -- Analyzing diesel
emissions . . . What's in diesel
exhaust, and how does it impact diesel
performance? William Partridge and other engineers at the Oak...
Prospect of greenhouse gas reduction drives biofuels market
...t Miriam Nagel. "Pure vegetable oil can be used in diesel
engines, but it is more viscous than biodiesel. If it is used straight in diesel
engines, it can create some problems with fuel injectors without some fuel system modification." New...
New study of Ground Zero air shows indoor spaces can be cleaned; diesel pollution remains a threat
...g. The study also found that the concentration of diesel
pollution in lower Manhattan is quite high, which ...hreat in the area. "The air samples confirmed that diesel
pollution from the countless vehicles involved in the recovery and rebuilding effort is heavily conc...
Imaging apparatus characterizes drops in 'dirty' laboratory environments
... particles." In operation, large drops of water or diesel
fuel were injected into the furnace. An excimer laser sent a beam into the combustor, illuminating a plane through which the drops passed. The scattered light was then passed to a CCD (charge-coupled device) camera and analyzed. In contrast to opti...
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