Sentences with phrase «burning fuels such»

It also shrinks the market for coal and increases demand for cleaner - burning fuels such as natural gas, of which Exxon has huge holdings.

You're better off with milder, more slow - burning fuels such as fats.

Technologies from Westport Innovations Inc. allow engines to operate on clean - burning fuels such as compressed natural gas (CNG), liquefied natural gas (LNG), hydrogen and biofuels such as landfill gas.

Living organisms could use these oxidizing chemicals to burn fuels such as iron or methane seeping up from the rocky bottom of Europa's ocean.

Not exact matches

The boom in unconventional fuels — such as bitumen extracted from Alberta's tar sands and oil extracted from North Dakota's Bakken shale formation by hydraulic fracturing («fracking»)-- has swelled global reserves even as climate scientists issue ever - sterner warnings that burning more than a small fraction of these reserves would be suicidal.

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.

Second, reducing the usage of gas - switching [part of] large users such as city heating towards other fuels, and investing in the types of powerplants that can consume a variety of fuels; using gas while it's cheap and available, but being able to burn other fuels if needed.

This will be achieved through a combination of high carbon trading and offset; the use of sustainable fuel such as from waste and fuel - burn reduction through a more efficient aircraft fleet.

But New York is the only state with such a moratorium, and there is increasing pressure to convert trucking fleets to natural gas, which burns cleaner than diesel fuel.

Such stars burn through their nuclear fuel so slowly that they can live for many billions of years, which gives any life on their planets a long time to grow and evolve.

Using historical data, they included carbon dioxide from burning fossil fuels and changes in land use — such as deforestation.

And there has been plenty of coal burning in countries such as China, which now burns some 3 billion metric tons of the fuel rock per year, largely without the pollution controls that would scrub out the SO2, as is sometimes done in the U.S..

«Even the remote possibility of such an occurrence justifies concern,» added Robinson, one of the first scientists to link the burning of fossil fuels with global warming.

But because wood burning is seen as outdated and environmentally unfriendly, governments have tried to persuade their citizens to use other fuels, such as liquefied natural gas and electricity.

In addition, he said existing customers, such as a newly built Sheridan Hotel, have a bonus message to share with their customers: «When you come to Georgetown, you're not burning fossil fuels when you turn on the lights.»

Most studies have concluded that sea animals with calcified shells or skeletons, such as starfish, will suffer as carbon dioxide from burning fossil fuels dissolves in the sea, making the water more acidic and destroying the calcium carbonate on which the creatures depend.

In a modeling study of coal, oil, and natural gas, Zhang and Caldeira compared the warming caused by combustion to the warming caused by the carbon dioxide released by a single instance of burning, such as one lump of coal, and by a power plant that is continuously burning fuel.

In urban areas, emissions from consumer goods such as paint, cleaning supplies and personal care products now contribute as much to ozone and fine particulate matter in the atmosphere as do emissions from burning gasoline or diesel fuel.

But burning such fuels accounts for more than eight billion metric tons of CO2 entering the atmosphere yearly.

Some greenhouse gases occur naturally in the atmosphere, while others result from human activities such as burning of fossil fuels such as coal.

By turning crops such as corn, sugarcane and palm oil into biofuels — whether ethanol, biodiesel, or something else — proponents hope to reap the benefits of the carbon soaked up as the plants grow to offset the carbon dioxide (CO2) emitted when the resulting fuel is burned.

The more coal and oil burned, the more black spheres formed, making such soot the perfect record of a swelling fossil - fuel pyromania.

Fossil - fuel burning power plants aren't only causing climate change, they're likely to suffer from such global warming.

Efforts such as GreenGen bode well for resolving those complaints, but China is also moving ahead with efforts to turn coal into liquid fuel — a costly transformation that emits twice as much CO2 as does simply burning the black rock and consumes yet more energy.

As humanity burned fossil fuels such as coal, which added carbon dioxide gas to the Earth's atmosphere, we would raise the planet's average temperature.

CO2 is formed when any kind of organic material or fossil fuel, such as natural gas, petroleum, coal or gasoline, is burned.

There is not enough oil from plants such as soy and canola to supply even a fraction of the 60 million — plus gallons of jet fuel burned every day by U.S. aircraft, nearly one quarter of global use, even if all such sources were converted to fuel (which would significantly impact food supplies.)

Reducing the amount of fossil fuels (such as gasoline for cars and coal burned for electricity) that we use can help slow how quickly the ice is melting (by slowing the rise in average temperatures).

When fossil fuels such as gasoline are burned, the chains of carbon that make them up are broken and carbon dioxide is released into the environment.

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.

If not, such so - called offsets aren't displacing the emissions from fossil fuel burning, they're simply adding more electricity to the overall system.

And they want the companies to pay for measures such as sea walls to cope with rising sea levels they blame on carbon emissions from burning fossil fuels.

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.

For example, a tax on fossil fuel burned would spur investment in cleaner energy technologies, such as renewables or nuclear power.

Emissions are the measurable release of gases and other particles into the atmosphere from a specified activity and a specified period of time, such as burning fuels.

The low - carbon fuel standard orders providers to reduce the carbon intensity of their fuels by 10 percent by 2020 through efforts such as blending in biofuels that result in less greenhouse gases emitted when burned.

In essence, such technology catches the CO2 and other pollutants emitted when coal or other fossil fuels are burned.

Over the last few centuries, the ocean has absorbed huge amounts of the carbon dioxide spewed into the atmosphere by human activities, such as burning fossil fuels.

Over the past 250 years, human activities such as fossil fuel burning have raised the atmospheric CO2 concentration by more than 40 % over its preindustrial level of 280 ppm (parts per million).

(Even in such a case, however, the Volt would consume some fuel; periodically the car's internal combustion engine automatically starts up and burns some gas in order to perform self - diagnostic tests and keep itself lubricated.)

In the United States, roughly two - thirds of all sulfur dioxide and a quarter of all nitrogen oxide come from electric power generation that relies on burning fossil fuels, such as coal.

Unlike weapons such as Boeing's huge Airborne Laser, which burns chemical fuel, the solid - state laser consists of semiconductors that emit light when a voltage is applied.

Emerging economies such as China and India have not joined the Coalition, arguing that its membership of mostly developed nations including Japan, Canada and Australia should focus more on curbing carbon dioxide, released from burning fossil fuels.

«More than anything else this requires rapid and strong reductions of burning fossil fuels such as coal; but some emissions, for instance from industrial processes, will be difficult to reduce — therefore getting CO2 out of the air and storing it safely is a rather hot topic.

«But when native savannas are invaded by weeds such as gamba grass, fuel loads are dramatically increased and fires can burn up to five times hotter than a native wildfire,» Dr Adams said.

Many skyscrapers — and even homes — have such fuel cells today, but the prototype cars on the road — ranging from GM's fuel cell Chevy Equinox to BMW's hydrogen - burning 7 Series sedan — have proved too expensive so far to fulfill the Bush administration's dreams of a hydrogen car economy.

But such solid - oxide fuel cells (SOFCs) can efficiently combine everyday fossil - fuel natural gas with oxygen from the air — without burning — to generate electricity on a small scale.

Our activities, such as fossil fuel burning and deforestation, are pushing the cycle out of its natural balance, adding more and more carbon dioxide to the atmosphere.

After six years of running such simulations, the verdict is in: Increasing greenhouse gas concentrations as a result of burning fossil fuels and cutting down forests increased the risks of flooding in two out of three model runs by more than 90 percent.

However, chasing larger species, such as tuna, requires longer trips and bursts of ship speed that burn more fuel.