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.