Green Car Congress
MARCH 27, 2017
Specific circumstances, such as the very warm fourth quarter of 2015 and relatively low natural gas prices, put downward pressure on emissions as natural gas was substituted for coal in electricity generation. Coal’s share of total electricity generation in the power sector fell from 54% in 1990 to 34% in 2015. between 2014 and 2015.
Green Car Congress
MAY 6, 2010
In 2009, the carbon intensity of the electric power sector decreased by nearly 4.3%, primarily due to fuel switching as the price of coal rose 6.8% Increased use of natural gas in place of coal caused the sector’s carbon intensity to decrease. The average decline in energy intensity from 2000 to 2008 was 2.0%. lower than 2008.
Green Car Congress
DECEMBER 18, 2014
The emissions increase in the United States in 2013 (+2.5%) was mainly due to a shift in power production from gas back to coal together with an increase in gas consumption due to a higher demand for space heating. This is in contrast to most preceding years since 2007, in which annual oil consumption decreased by 2.2%
Green Car Congress
NOVEMBER 17, 2009
The authors, under the umbrella of the Global Carbon Project , reported a 29% increase in global CO 2 emissions from fossil fuel between 2000 and 2008 (the latest year for which figures are available), and by 41% between 2008 and 1990, the reference year of the Kyoto Protocol. between 2000 and 2008, compared with 1% per year in the 1990s.
Green Car Congress
APRIL 13, 2014
giga tonne carbon dioxide equivalent (GtCO 2 eq) (2.2%) per year from 2000 to 2010 compared to 0.4 GtCO 2 eq (1.3%) per year from 1970 to 2000. Total anthropogenic GHG emissions were the highest in human history from 2000 to 2010 and reached 49 (±4.5) The global economic crisis 2007/2008 only temporarily reduced emissions.
Green Car Congress
JANUARY 16, 2013
Emission rates of BC in the year 2000 by region, indicating major source categories in each region. Total global emissions of black carbon using bottom-up inventory methods are 7500 Gg yr -1 in the year 2000 with an uncertainty range of 2000 to 29000. Source: Bond et al. Click to enlarge. W m -2 (+0.17 W m -2 range).
Green Car Congress
FEBRUARY 7, 2009
The projects—led by FuelCell Energy, in partnership with VersaPower Systems, and Siemens Energy—have successfully demonstrated solid oxide fuel cells (SOFCs) designed for aggregation and use in coal-fueled central power generation. Cost of $700 per kilowatt (2007 dollars) for an integrated fuel cell power block.
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