Sentences with phrase «fuels produces carbon»

I explained to them that electricity is produced by burning fossil fuels, and burning fossil fuels produces carbon dioxide.
The burning of coal, oil, and other fossil fuels produces carbon dioxide and other greenhouse gases that are responsible for man - made global warming.
All carbon based fuels produce carbon dioxide when burned.

Not exact matches

Our reliance on carbon - based fuels has produced an unhealthy addiction to dirty energy and has shaped our geo - political world around those who own these resources and those who do not.
It makes no sense that the provinces would deliberately circumvent Ottawa to produce a policy that is essentially a thumbs - up to pipelines and a bunch of rhetoric about environmental protection or any real goals for reducing our reliance on carbon fuels.
While axing a tax on the fuel Albertans produce is popular, much of the energy sector appears reasonably happy a provincial government is doing things to erase Alberta's old image as an environmental laggard; last month, oil sands heavyweights Suncor and Canadian Natural Resources Ltd. talked up Alberta's new environmental efforts to European investors, and their executives joined Notley on stage when the climate change plan and carbon tax were first announced.
Fermentation is triggered by lactic acid bacteria — or lactobacilli — and yeasts, which use the carbohydrate fuels from the cereal grains to produce ethanol (alcohol), carbon dioxide, lactic acid and acetic acid.
AD — anaerobic digestion — is a naturally occurring process which can be integrated into waste management and farming to reduce costs and carbon emissions, and produce gas, electricity, fuel and fertiliser:
Hydrogen gas is a promising alternative energy source to overcome our reliance on carbon - based fuels, and has the benefit of producing only water when it is reacted with oxygen.
A new report from M.I.T. predict that the U.S. will expand its use of natural gas to produce electricity and as vehicle fuel — but will eventually need to capture its carbon dioxide emissions
There's also currently no cost - effective way to capture the carbon dioxide produced in making hydrogen from natural gas on site at a fueling station, which would undermine any climate benefits.
Now a group of researchers led by Steven Kuznicki at the University of Alberta in Edmonton, Canada, and Anthony Ku at General Electric think they can be used to screen out the carbon dioxide produced when processing or burning fossil fuels.
Hydrogen can be combined with carbon from agricultural biomass to produce fuel, fertilizer and other products.
The group found that although fuel - cell vehicles would produce zero greenhouse - gas emissions during use, the extraction and refinement of hydrogen fuel would release three to five times as much carbon into the air as is released in procuring and refining gasoline and diesel.
Jacobson, the study's author, noted that the study also separated the effects of black carbon produced by burning fossil fuels and that produced by biofuels like wood or dung.
Natural gas, which now supplies 25 percent of the nation's electricity, is the cleanest - burning fossil fuel, producing about half as much carbon per watt of power as coal.
The study also concludes that, over a 15 - year period, cutting the black carbon produced by burning fossil fuels, vegetation, dung and other sources could reduce the warming the Earth has experienced since the Industrial Revolution — about 0.8 degrees Celsius — by 17 to 23 percent.
Cutting the black carbon, or soot, produced by burning fossil fuels, vegetation, dung and other sources could reduce global warming
«You don't have to waste energy on all the extra baggage it takes to grow plants, and the result is a man - made carbon cycle that produces liquid fuel
The soot produced by burning fossil fuels has a stronger warming effect because it contains a higher ratio of black carbon to sulfate, which reflects sunlight to produce a cooling effect.
Fossil fuels collectively produce 95 percent of the carbon emissions that are heating the planet.
The water - gas shift reaction, in which carbon monoxide is removed from the fuel gas stream by reacting with water to produce carbon dioxide and hydrogen, is a key step in the process.
Yet, the government has launched a pilot project to address the problem by capturing and storing the carbon dioxide (CO2) produced by using coal as a fuel for electricity generation at a power plant dubbed GreenGen.
In comparison, the burning of fossil fuels produced about 8.7 billion tonnes of carbon dioxide globally last year.
Fuel cell vehicles produce zero tailpipe emissions, but the entire hydrogen production stream needs to be low - carbon
«So as long as you're using renewable electricity and not some kind of brown electricity, that is really the most direct pathway to producing real, carbon - free hydrogen fuel
For this reason methanol fuel cells will be used, where the combination of methanol and oxygen produces water and carbon dioxide as a waste product (note that the carbon footprint in this case is neutral in that the methanol will be produced by photosynthesis, removing CO2 from the atmosphere).
Combustion causes almost every atom of carbon in the fuel to combine with two atoms of oxygen, producing carbon dioxide.
The 1997 Kyoto Conference — a world meeting on fossil - fuel use — produced an agreement by a handful of highly industrialized countries to reduce carbon emissions to 1990 levels by 2010.
«What you've got from the time you actually produce the fuel to the time you consume the fuel is a well - to - wheels carbon - free and petroleum - free transaction.»
Two studies in the latest issue of the journal Science say that producing biofuels may actually produce more carbon dioxide than we would with conventional fuel.
Produced by the burning of fossil fuels in power plants and car engines, carbon dioxide continues to accumulate in the atmosphere, warming the planet.
Chu highlighted the department's biggest new research initiative, a set of eight new Energy Innovation Hubs, each one focused on a different energy - related challenge: solar electricity; fuels produced directly from sunlight; batteries and other kinds of energy storage; carbon capture and storage; new technologies for the electrical grid; efficient buildings; extreme materials; and modeling and simulation.
Green leaves use energy from sunlight through photosynthesis to chemically combine carbon dioxide drawn in from the air with water and nutrients tapped from the ground to produce sugars, which are the main source of food, fiber and fuel for life on Earth.
In a fossil fuel - fired generator, this means less carbon dioxide emissions for the same unit of electricity produced.
Like plants on land, phytoplankton produce energy by photosynthesis, pulling carbon dioxide from the atmosphere to fuel the process.
The municipality, which will ultimately aim to be zero carbon and zero waste, will boast a plant to produce hydrogen as well as fuel from the residents» sewage, according to planners Foster + Partners.
They envision zero - carbon power plants that run on fuel made from hydrogen isotopes in seawater and produce less waste than today's nuclear power plants.
It produces less carbon dioxide emissions than coal for electricity or gasoline and diesel for fuel, but even a small amount of natural gas release — which is essentially methane — packs a greenhouse gas punch about 30 times more powerful than the same amount of carbon dioxide.
If you could directly produce chemical fuel from sunlight and do it affordably, that would open up the prospect of making a substitute for oil that wouldn't involve transferring carbon from the ground to the atmosphere.
When fossil fuels are burned, other climate - forcing gases are produced in addition to long - lasting carbon dioxide.
«When it comes to life cycle greenhouse gas emissions, wind and solar energy provide a much better greenhouse gas balance than fossil - based low carbon technologies, because they do not require additional energy for the production and transport of fuels, and the technologies themselves can be produced to a large extend with decarbonized electricity,» states Edgar Hertwich, an industrial ecologist from Yale University who co-authored the study.
Natural gas is by far the cleanest - burning fossil fuel, producing about half as much carbon dioxide as the energy - equivalent amount of coal.
Because there is no combustion, fuel cells run extremely cleanly: Their emissions are just water and carbon dioxide, and they produce less than half as much CO2 per kilowatt - hour as do traditional power plants.
There are several reasons for this: the contraction of energy - intensive heavy industries, such as iron and steel; the long - term malaise in the national economy; the modest move away from burning fossil fuels that produce carbon dioxide towards nuclear energy; and the increasingly efficient use of energy evident in most of the economies of the rich world.
As with any biomass fuel, any carbon dioxide produced when the reed is burnt was extracted from the air when it grew, so producing and burning it does not add carbon dioxide to the atmosphere.
Launched in July 2010, JCAP aims to develop an efficient, cheap, and durable system for producing fuels using only sunlight, water, and carbon dioxide as inputs.
Colorado led the way in 1988 when Denver became the first city to introduce the additives on the basis of research claiming that they helped the fuel's hydrocarbons to burn more efficiently at low temperatures, thereby producing more carbon dioxide than CO and also reducing emissions of the polluting hydrocarbons themselves.
It is stupid to use irreplaceable fossil fuels to produce food with the by - product of carbon dioxide pollution, when we can do the same using energy from sunlight and actually remove CO2 from the atmosphere.
The People's Republic now produces more than three billion tons of coal a year, and the fossil fuel has played a key role in accelerating the nation's growth, along with its carbon dioxide emissions, dating to the early 20th century
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