They promise lower emissions of nitrogen oxides, sulfur oxides, particulate matter, and carbon dioxide (CO2).
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But what will cheap solar do to lower emissions in the important transportation sector?
The user benefits are more power and lower emissions from a given amount of fuel.
The result of combining these processes in a single system is higher efficiency, lower emissions and greater productivity.
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But the imports are helped by having lower sulphur, which means lower emissions.
Impurities are removed from the gas before it is burned, which results in lower emissions of sulfur dioxide, particulates and mercury.
The European Union instituted regulations requiring its member states to lower emissions.
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This is a sensible move from oil producing countries, diversifying their investments into the future global energy infrastructure and contributing to lower emissions.
Airbus' A380 superjumbo and Boeing's upcoming 787 Dreamliner both use new engine designs, lightweight composite materials and advances in aerodynamics to improve performance, increase fuel efficiency and lower emissions.
But these countries have, and will continue to have, far lower emissions on a per-capita basis, given that China's are now around one-fifth those of the United States and India's one-twentieth.
Higher prices are needed to induce consumers and businesses to use less energy (the source of most greenhouse gases) and switch to fuels (from coal to natural gas) that have lower emissions.
Matthew Fitzmaurice, whose fund of hedge fund group AWJ Capital Partners manages a leading sustainable-focused fund, already has money on the table in those auto industry companies that are leading the way toward higher fuel efficiency and lower emissions.
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In particular, the G8 Leaders agreed to reduce their emissions 80% or more by 2050 as its share of a global goal to lower emissions 50% by 2050, acknowledging the broad scientific view that warming should be limited to no more than two degrees Celsius.
To that end, the company spearheaded projects such as the Connected Bus project in San Francisco, which involved taking the disparate tracking units the city had been using to keep tabs on buses, railcars and other transit fleet vehicles, and integrating them into one system that enables more reliable operations and maintenance as well as lower emissions.
These companies aim to produce biofuels from renewable non-food sources, with lower carbon emissions to boot.
After legislation due by Christmas, Australia will at last start taking action in 2012 to lower carbon emissions.
Yet the benefits also promise to be huge: power savings, reduced investment in electricity generation and lower carbon emissions.
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If our great goal is to move American transportation toward lower carbon emissions, then it should start with the federal fleet.
Across all sectors of the economy, decreasing consumption of carbon-emitting fossil fuels resulted in both a lower carbon intensity and lower absolute emissions.
For example, updated fuel efficiency standards for light-duty and heavy-duty vehicles were incorporated in AEO2012 and AEO2013, tending to lower CO2 emissions relative to earlier projections.
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Developing countries can lower their emissions of greenhouse gases while maintaining or improving their economic growth, according to a report released Wednesday by the Pew Center on Global Climate Change.
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And if 2009 sees the inauguration of a greener president, he or she will now have the power to dictate stricter fuel efficiency, in the form of lower CO2 emissions, without reference to Congress.
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Incentives to promote energy efficiency and clean energy manufacturing don't automatically create jobs or lower carbon emissions -- but these steps provide a framework in which companies can compete and innovate to create those jobs and reduce energy consumption.
Using natural gas has a huge upside from the lower carbon emissions, limiting the amount of oil we buy from countries that do not like us and most of all jobs will be created from building Nat Gas refueling station across the country and from new orders for Nat Gas powered vehicles.
With energy savings of 50%-60% leading to lower greenhouse gas emissions and a much higher lifespan compared to conventional technologies, LEDs offer a cost effective option to lower global electricity consumption.
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Fewer herbicide applications mean fewer tractor trips across the field, less fuel consumed and lower overall carbon emissions.
The World Health Organisation (WHO) has said levels of emissions lower than those acceptable in the UK are problematic.
According to reports, no coal plants have been de-commissioned in northern Europe rendering the claim of lower carbon dioxide emissions questionable.
Investors are filing dozens of shareholder resolutions with U.S. companies every year calling for action on strategies that lower their carbon emissions and boost their clean energy efforts.
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