Sentences with phrase «use of natural gas combined»

The comparison of costs is shown in the figure, and illustrate that carbon can be reduced much more cheaply with easy operational changes like improving power plant heat rates or increased use of natural gas combined cycle than with most renewable technologies.

In 2014, researchers at the National Oceanic and Atmospheric Administration found that the increased use of natural gas combined cycles in power generation has led to 40 percent less nitrogen oxide emissions and 44 percent less sulfur oxides emissions since 1997.

Not exact matches

CCS really amounts to a combined GHG and natural gas hedge which, in a world of really expensive gas, allows you to maintain lower electricity prices than you perhaps otherwise would be able to as you can continue to use relatively cheap and plentiful coal while capturing and storing the emissions.

But combining the hydrogen with CO2 to produce methane is a safer option than using hydrogen directly as an energy source and allows the use of existing natural gas infrastructure.

The combined effect of the three, the scientists found, is that the global energy system could experience unprecedented changes in the growth of natural gas production and significant changes to the types of energy used, but without much reduction to projected climate change if new mitigation policies are not put in place to support the deployment of renewable energy technologies.

Berkeley Lab researchers using a bioinorganic hybrid approach to artificial photosynthesis have combined semiconducting nanowires with select microbes to create a system that produces renewable molecular hydrogen and uses it to synthesize carbon dioxide into methane, the primary constituent of natural gas.

There's also the performance - oriented Civic Si model with a 2.4 - liter four - cylinder engine rated at 201 hp (22 city / 31 highway / 25 combined mpg), a compressed natural gas (CNG) option that uses a variant of the 1.8 - liter engine (27 city / 38 highway / 31 combined mpg) and the Civic Hybrid that is powered by a 1.5 - liter engine with a 20 kW motor, coupled to a CVT (44 city / 44 highway / 44 combined mpg).

Both increasing domestic supply of natural gas and lower natural gas prices, together with the high efficiency of combined - cycle power plants, have contributed to their increased use.

If the U.S. were instead to use that natural gas to generate electricity as part of a portfolio with renewable sources of electricity, the analysis shows that «if the entire vehicle fleet were converted to electric vehicles and high efficiency natural gas combined - cycle power plants were used to generate all the additional electricity required, the increase in natural gas demand would be significantly less» than if the entire fleet was burning natural gas in its combustion engines — roughly a decrease in natural gas usage of 19 billion cubic feet per day.

[1] The Clean Energy Standard Act of 2012 defines «clean» electricity as «electricity generated at a facility placed in service after 1991 using renewable energy, qualified renewable biomass, natural gas, hydropower, nuclear power, or qualified waste - to - energy; and electricity generated at a facility placed in service after enactment that uses qualified combined heat and power (CHP), [which] generates electricity with a carbon - intensity lower than 0.82 metric tons per megawatt - hour (the equivalent of new supercritical coal), or [electricity generated] as a result of qualified efficiency improvements or capacity additions at existing nuclear or hydropower facilities -LSB-; or] electricity generated at a facility that captures and stores its carbon dioxide emissions.»

[McCarthy continues:] However, it is important to note that under the proposed carbon pollution standard for new power plants, companies would not be required to build natural gas combined cycle units; they would be required to meet a standard of 1000 lbs / MWh, which can be met either through the use of natural gas or by burning coal along with carbon capture and storage [CCS].

The scenario combines the following elements: efficient electricity end - use; hydroelectric power; nuclear power; efficient gas turbine technologies fired with natural gas; use of coal - derived hydrogen in fuel cells; and biomass - integrated gasifier / gas turbine technologies.

[2] About 8 percent of natural gas combined cycle plants in the United States use dry cooling technology; 80 percent rely on recirculating systems.

Despite seasonal changes in the price of natural gas, summer peaks in electric use will continue to be served by natural gas «peaker» units, as well as new flexible natural gas combined cycle units.

During the 1990s and 2000s, the generation costs for plants fueled by natural gas fell dramatically as a result of lower natural gas fuel prices and the increased use of combined cycle technology for power generation.

The best way to do this, in my opinion, is using a fuel cell — a device that can electrochemically convert natural gas into a useable fuel by stripping off the hydrogen portion of the methane molecule and combining it with oxygen to generate clean electricity and some waste heat.

[3] Each state has interim targets it must meet beginning in 2020, and the EPA proposed that states use a combination of four «building blocks» to achieve the emissions reductions: (1) improving the efficiency (heat rate) of existing coal - fired power plants; (2) switching from coal - fired power by increasing the use and capacity factor, or efficiency, of natural - gas combined - cycle power plants; (3) using less carbon - intensive generating power, such as renewable energy or nuclear power; and (4) increasing demand - side energy - efficiency measures.

[9] However, it is also thought that fresh water used in the pressurization of oil and gas wells in permafrost and along the continental shelves worldwide combines with natural methane to form clathrate at depth and pressure, since methane hydrates are more stable in fresh water than in salt water.

... Storage with Baseload Power... Howard Hayden, Professor Emeritus of Physics, University of Connecticut, recently published an article in The Energy Advocate analyzing the use of storage with various power generation alternatives, i.e., wind, solar, nuclear, coal and natural gas combined Continue reading Storage with Baseload Power →

The option of using substitute natural gas in combined heat and power distributed generators further reduces the viability of any investment in coal - fired plants.