Sentences with phrase «studied diesel emissions»

They studied diesel emissions in BMW and Volkswagen vehicles under real roadway conditions.

Not exact matches

«There are conclusive studies worldwide that link diesel emissions to public health.»
DEC Commissioner Basil Seggos promised an air monitoring study will soon begin in the neighborhood, a $ 500,000 DEC environmental improvement program that will evaluate the impact of diesel emissions on Albany's South End.
Manufacturers of heavy - duty diesel engines have slashed emissions from new engines by more than 90 percent for most pollutants, according to a study released yesterday.
«We compared the efficiencies of [the port's] diesel engines versus fuel cells, studied the energy efficiencies at various power levels and estimated the savings and reductions in emissions that would be realized if they were to convert to a fuel cell - powered operation,» Pratt said.
«The consequences of excess diesel NOx emissions for public health are striking,» said Susan Anenberg, co-lead author of the study and co-founder of Environmental Health Analytics LLC.
«Diesels pollute more than lab tests detect: Excess emissions kill 38,000 annually, study shows.»
The study projects that by 2040, 183,600 people will die prematurely each year due to diesel vehicle NOx emissions unless governments act.
Highly turbocharged alcohol - fueled direct - injection spark - ignition (DISI) engines operated at a high compression ratio could be as or more efficient than diesel engines while also providing advantages of lower vehicle cost, lower emissions and higher power, according to a recent modeling study by Leslie Bromberg and Daniel Cohn at MIT.
«The study shows, highly unambiguously, the relationship between anthropogenic emissions - in this case, from diesel engines - on deep convective clouds.»
Dr. Peden has written or contributed to more than 160 peer - reviewed scientific publications on the kinetics and mechanisms of automobile exhaust catalysis; the development of zeolite catalysts for diesel engine emission control; hydrocarbon reforming over bimetallic catalysts; the structure of hydroprocessing catalysts; the development of novel, supported solid acid catalysts for petroleum refining; the growth and properties of oxide and semiconductor thin films; and model studies of adhesion at metal / metal - oxide interfaces.
The International Council on Clean Transportation (ICCT) was studying European diesel cars and discovered the on - road emissions of some models were notably higher than those measured in lab testing.
A joint study by Controlled Power Technologies (CPT) and Austria's Technische Universität Wien (TU Wien) into 48V diesel mild hybrid technology verified a 9 % reduction of NOxin raw engine - out emissions, while retaining the fuel economy and CO2 benefits of diesel engine technology.
But as Congress considers billions of dollars in aid for projects to make gasoline and diesel substitutes from coal, and to build coal - fired plants that would capture their own carbon emissions, the study said that estimates of coal reserves were unreliable.
The information I could find on US bioethanol is not encouraging — according to a recent University of Berkley study (see here Source: http://rael.berkeley.edu/EBAMM/FarrellEthanolScience012706.pdf), US bioethanol has 13 % less greenhouse gas emissions than diesel or petrol, because of the energy intensive refining process, the energy input to farming, and fertilizer production and use.
A 1998 biodiesel lifecycle study jointly sponsored by the U.S. Department of Energy and the U.S. Department of Agriculture, concluded biodiesel reduces net carbon dioxide emissions by 78 percent compared to petroleum diesel.
In a new, comprehensive study, a team from Argonne National Laboratory, Stanford University and UC Davis ITS has estimated the well - to - wheels (WTW) GHG emissions of US production of gasoline and diesel sourced from Canadian oil sands.
«One of the most potent «short - lived climate forcers» in diesel emissions is black carbon, or soot,» says the study's lead author, James Corbett, a University of Delaware marine scientist.
Particle emission characteristics for a medium - speed four - stroke marine diesel engine (Wärtsilä Wasa, 4R32) with different loads (25, 75 %) were studied using a variety of sampling systems.
Reductions in emissions of black carbon since the late 1980s, mostly from diesel engines as a result of air quality programs, have resulted in a measurable reduction of concentrations of global warming pollutants in the atmosphere, according to a first - of - its - kind study — which Berkeley Lab participated in — examining the impact of black carbon on California's climate.
Sacramento — Reductions in emissions of black carbon since the late 1980s, mostly from diesel engines as a result of air quality programs, have resulted in a measurable reduction of concentrations of global warming pollutants in the atmosphere, according to a first - of - its - kind study examining the impact of black carbon on California's climate.
Biodiesel made from rapeseed could increase rather than reduce greenhouse emissions compared to conventional diesel fuels, reports a new study published in the journal Chemistry & Industry.
Highly turbocharged alcohol - fueled direct - injection spark - ignition (DISI) engines operated at a high compression ratio could be as or more efficient than diesel engines while also providing advantages of lower vehicle cost, lower emissions and higher power, according to a recent modeling study by Leslie Bromberg and Daniel Cohn at MIT.
This study focuses on current specifications, with comparisons to international norms, of gasoline, diesel and fuel oil; on measures adopted for improving the quality of such fuels and for reducing emissions, particularly the elimination of lead from gasoline, and the reduction of sulphur in gasoline and diesel; on expected economic and environmental benefits of using cleaner fossil fuels; and on barriers facing the production and use of cleaner fuels.
(read study here) In New Jersey, 16,000 restaurants release 2,226 tons of particulates, more than all of the heavy diesel vehicles in the state (1,329 tons, read study here) In the Bay area of California, they will soon require emission control on all chain - driven commercial grills.
To calculate possible benefits of policy action, the study provides «maximum feasible reduction scenarios» that take into account the incorporation of emissions control technologies such as seawater scrubbers that absorb sulfur dioxide emitted during the burning of diesel fuel.
Because there are no existing studies of how inhaling diesel particulate matter affects cancer risk in Cowlitz County, the study applies a federal model developed for California to set a baseline level of cancer risk from diesel locomotive emissions here.
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