Sentences with phrase «burning fuel produces»

Burning the fuel produces no sulfur, less carbon monoxide, and fewer nitrogen oxides, particulates, and other emissions, compared with petroleum diesel.

Burning fuel produces about four times more climate pollution every year than forestry and agriculture combined — a figure that is growing.

If oxidizing glucose to produce energy for our bodies is so messy, creating free radicals the way cars burning their fuel produce combustion by - products out the exhaust, even if we're just idling, living our day - to - day lives, what if we rev up our lives, and start exercising — really start burning fuel?

Not exact matches

On the blackboard, fusing hydrogen atoms produces enormous amounts of heat which can be captured and developed into an energy source, energy that is safe, cheap, does not burn fossil fuels or consume non-renewable resources.

These hydrocarbons, which are also burned for heating and cooking and blended into vehicle fuel, are extracted from the natural gas production stream or produced as a by - product of refined oil.

Renewable energy: Commit to 100 percent renewable power The Climate Collaborative states that about one - third of all the greenhouse gas emissions in the U.S. come from the burning of fossil fuels such as coal and natural gas to produce electricity.

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.

But in the post-Rio world, the environmental risk of spent nuclear fuel must be weighed against the potential environmental harm of the CO2 produced by burning fossil fuels.

«Fire whirls are more efficient than other forms of combustion because they produce drastically increased heating to the surface of fuels, allowing them to burn faster and more completely.

By adopting lighting technologies that use less energy the nations of the world will cut down on the fossil fuels, often coal, burned to produce that light.

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.

Burning coal produces more than 100 million metric tons of coal ash per yearthe gray or black sooty aftermath of our fossil fuel habit.

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

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.

Land - use changes over the past 250 years in Europe have been huge, yet, they only caused a relatively small temperature increase, equal to roughly 6 % of the warming produced by global fossil fuel burning, Naudts noted.

Fuel cells are far greener than gas - powered engines because they produce electricity without burning up the hydrogen (or other fuel) that powers tFuel cells are far greener than gas - powered engines because they produce electricity without burning up the hydrogen (or other fuel) that powers tfuel) that powers them.

In comparison, the burning of fossil fuels produced about 8.7 billion tonnes of carbon dioxide globally last year.

If the mathematics of the pollution produced by burning a gallon of fossil fuel seems daunting, it's even worse to look the other way: what went into making that gallon.

Previously, researchers have produced hydrogen gas in microbial - powered, batterylike fuel cells, but only when they supplemented the energy produced by the bacteria with electrical energy from external sources — such as that obtained from renewable sources or burning fossil fuels, says Bruce Logan, an environmental engineer at Pennsylvania State University, University Park.

Although the catalyst does produce oxygen from water, it does not produce hydrogen gas (H2) that can be burnt in a fuel cell.

Produced by the burning of fossil fuels in power plants and car engines, carbon dioxide continues to accumulate in the atmosphere, warming the planet.

Keasling's method feeds agricultural waste such as cornstalks and wheat straw to E. coli bacteria engineered to break down the sugars and produce biologically synthesized hydrocarbons that burn and function just like those in fossil fuels.

The electrochemical device produces electricity directly by oxidizing — read, slow burning — fuels.

FACT: Seventy percent of our electricity is produced by burning coal and other fossil fuels, sources linked to global warming.

Alongside electricity generation, the transportation sector is the largest emitter of pollutants produced by the burning of fossil fuels.

The electricity is often produced by burning fossil fuels, and the refrigerant gases also exacerbate climate change.

Hennessy claims that these can produce «at least a 50 percent reduction in the burning of diesel fuel, plus the diesels will need less maintenance and last much longer.

Burning fossil fuels to produce electricity or heat is responsible for roughly half of global warming pollution.

The difference between engineering microbes to produce drugs versus fuel is that, ounce for ounce, drugs are much more valuable: a fuel end product has to be cheap enough to burn.

Professor Edwards added: «Instead of burning fossil fuels, leading to CO2, we use them to generate hydrogen, which with fuel cells produces electric power and pure water.

When fossil fuels are burned, other climate - forcing gases are produced in addition to long - lasting carbon dioxide.

Natural gas is by far the cleanest - burning fossil fuel, producing about half as much carbon dioxide as the energy - equivalent amount of coal.

As well as being given off by volcanoes, sulphur dioxide is also produced by burning fossil fuels and industrial processes such as smelting.

The researchers incorporated information on soot produced by burning fossil fuels, wood and other biofuels, along with that naturally produced by forest fires and then checked their model predictions against global measurements of soot levels in polar snow from Sweden to Alaska to Russia and in Antarctica as well as in nonpolar areas such as the Tibetan Plateau.

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.

They eventually linked the mysterious pollution to a nearby natural - gas field, and their investigation has now produced the first hard evidence that the cleanest - burning fossil fuel might not be much better than coal when it comes to climate change.

Japan has pursued fast - breeder technology, through which a reactor can produce more plutonium than it burns in hopes of cutting or eliminating imports of nuclear fuel.

Hydrogen is clean - burning, producing only water vapor as waste, so fuel - cell vehicles using hydrogen will be zero - emission, an important factor given the need to reduce air pollution.

Black smoke and sulphur dioxide were produced mainly by burning fossil fuels (including coal, oil, diesel, petrol).

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.

And so I think that the logic, you know, the logic of fossil fuel was a centralizing one, it occurred in a few places, it was highly efficient to take it to other centers, easy to transport, you can take it some centralized place, and burn it in mass quantities, produce power that you then distributed widely.

The Stanford scientists suggested roofs covered in photovoltaic panels would do a better job, by producing electricity that then obviates the need for more fossil fuel — burning power plants.

Based on satellite monitoring and models that estimate the carbon released from burning vegetation (plus or minus 50 percent), the group reckons that U.S. fires produce 290 million metric tons of carbon per year, equal to about 5 percent of the nation's annual emissions from fossil fuels.

The traditional cylinder - piston design used in engines means that only the piston head itself produces motive force, as it is pushed up and down by the expansion of the burning fuel - and - air mixture.

In the United States, the burning of fossil fuels to make electricity is the largest source of heat - trapping pollution, producing about two billion tons of CO2 every year.

At the time, Nocera's group focused on using the captured hydrogen as a chemical fuel, which can either be burned directly or run through a device called a fuel cell to produce electricity.

Mass is important because it determines the rate at which a star burns its nuclear fuel: bigger stars burn up faster, producing much higher temperatures.