Sentences with phrase «fuel combustion»

If greenhouse gas emissions from fossil fuel combustion continue at the present rate, by 2100 the melting may surpass the levels associated with collapse of the shelves.

This won't just save energy, it will also reduce fuel combustion in the city center, improving air quality and health in a major urban area.

During winter the urban atmosphere is warmed slightly, but significantly, by energy from fuel combustion for home heating, power generation, industry, and transportation.

The study was on the potential impact of fossil fuel combustion on CO2 concentration in the atmosphere.

To understand the full extent of the environmental implications, it is important to consider the emissions released over the full life cycle and not just during fuel combustion.

Since fuel combustion accounts for 80 % of greenhouse gas emissions, mitigation efforts must include changes in the way we use energy.

Without emissions restrictions, growing fuel combustion worldwide will push global average ozone up 50 percent by 2100.

With this knowledge, researchers can develop better climate models and improve fuel combustion efficiency.

Next - generation fuel - efficient engines require high processing performance to allow the implementation of new fuel combustion systems.

Primarily, CO2 emissions come from fossil fuel combustion with a lesser contribution from land use changes.

They have also addressed the health challenges of fossil fuel combustion as a source of pollution and raised the alarm about deaths from heat extremes that are likely to be greater than any reductions in premature deaths because of warmer winters.

Those reductions in pollution mean big gains for health, as pollutants from fossil fuel combustion contribute to four of the leading causes of death in the United States: cancer,...

Nitrogen dioxide is part of a group of gaseous air pollutants produced as a result of road traffic and other fossil fuel combustion processes.

In the USA, industry emissions from fuel combustion increased by 3.8 %.

I suggest that Exxon, and perhaps the fossil fuel industry more generally, might help propel a vigorous new burst of research in ways to take back the CO2 added to the atmosphere by fossil fuel combustion at a scale that would matter to the climate system.

Until recently, biogas has typically been used to fuel combustion engines used to power electric generators, or simply to generate heat.

55 A byproduct of diesel fuel combustion, it has also been implicated in neural tube defects, decreases in birth weight and head circumference during pregnancy and at birth, and impaired mental development in fetuses.56 Fortunately, it seems that some of these toxic effects can be mitigated with a diet high in antioxidants.57

Addresses anthropogenic emissions from agricultural activities (not including fuel combustion and sewage emissions, which are addressed in the Energy and Waste chapters).

Adding oxygen to fuel results in more complete fuel combustion, thus reducing harmful tailpipe emissions.

From 2010 to 2011, CO2 emissions from fossil fuel combustion decreased by 2.5 % due to: (1) a decrease in coal consumption, with increased natural gas consumption and a significant increase in hydropower used; (2) a decrease in transportation - related energy consumption due to higher fuel costs, improvements in fuel efficiency, and a reduction in miles travelled; and (3) relatively mild winter conditions resulting in an overall decrease in energy demand in most sectors.

This publication reveals the new indoor air quality guidelines for household fuel combustion that aim to help public health policy - makers, as well as specialists working on energy, environmental...

Long - term exposure to air pollution in the four San Francisco Bay Area counties may cause an additional 208 cases of cancer for every million residents, mostly attributable to benzene and butadiene, byproducts of petroleum fuel combustion.

Since the amount of CO2 emitted per unit of fuel burned is assumed to remain constant, reducing CO2 emissions means doing one of three basic things: reducing fuel combustion per distance traveled, reducing the total distance traveled per unit of time, or switching to a type of fuel that does not emit as much CO2.

Carbon Monoxide Pollution is produced from incomplete fuel combustion and can be detrimental to health even in low doses.

It's a natural by - product of fuel combustion present in car exhaust and improperly vented furnaces, space heaters, water heaters, fireplaces, and tobacco smoke.

In the MIlankovitch cycles, temperature rise caused, and thus led, CO2 rise (CO2 being driven from the oceans), whereas since about 1850, the fossil fuel combustion driven CO2 rise from a base lower than the MIlankovitch peaks has in turn driven, and led, temperature rise due to the Greenhouse properties of CO2.

The team used a computer model originally developed by the U.S. Department of Energy to model fuel combustion.

To find out, they burned gasoline and let the soot react with nitrogen dioxide, a by - product of hydrocarbon fuel combustion and the precursor of nitrous acid.

At present, fossil fuel combustion represents a flux to the atmosphere of approximately 9 Pg per year.

Bond conceived the idea of using the ultracold liquid hydrogen fuel as a heat sink to take the excess heat out of the incoming air and use some of the hot air to support fuel combustion.

Global annual burned area estimates approach 350 MHa per year2, and annual pyrogenic CO2 emissions can exceed 50 % of fossil fuel combustion emissions3, 4,5.

A dirty air filter will absolutely restrict air flow, thus disturbing the proper 14.7:1 air / fuel ratio required for optimum fuel combustion.

The result is better engine breathing, more efficient fuel combustion and easier revving.

This new engine uses direct injection, rather than the older fuel injected four - cylinder, and Intelligent Variable Timing Event Control (i - VTEC) technology in order to optimize fuel combustion to produce both more power and more fuel economy.

Injection is split between the direct and port injectors according to the engine load, optimising fuel combustion in all driving situations to enhance both low speed torque and fuel economy.

The studies I quote in # 26 are among many that examine the temperature peaks associated with eliminating fossil fuel combustion today.