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The following table lists the annual CO 2 emissions estimates (in kilotons of CO 2 per year) for the year 2023, as well as the change from the year 2000. [4] The data only consider carbon dioxide emissions from the burning of fossil fuels and cement manufacture, but not emissions from land use, land-use change and forestry.
The following table lists the 1970, 1990, 2000, 2010, 2020, 2021, 2022, and 2023 annual GHG [n 1] emissions estimates (in kilotons of CO 2 equivalent per year) along with a list of calculated emissions per capita (in metric tons of CO 2 equivalent per year). The data include carbon dioxide, methane and nitrous oxide from all sources, including ...
Meteorological data includes wind speeds which may be expressed as statute miles per hour, knots, or meters per second. Here are the conversion factors for those various expressions of wind speed: 1 m/s = 2.237 statute mile/h = 1.944 knots 1 knot = 1.151 statute mile/h = 0.514 m/s 1 statute mile/h = 0.869 knots = 0.447 m/s. Note:
A European study of nearly 2000 participants showed that an average person cycling 1 trip/day more and driving 1 trip/day less for 200 days a year would decrease mobility-related lifecycle CO 2 emissions by about 0.5 tonnes over a year, representing a substantial share of average per capita CO 2 emissions from transport (which are about 1.5 to ...
For vehicles: grams of carbon dioxide equivalent per mile (gCO 2 e/mile) or per kilometer (gCO 2 e/km) [41] [42] For example, the table above shows GWP for methane over 20 years at 86 and nitrous oxide at 289, so emissions of 1 million tonnes of methane or nitrous oxide are equivalent to emissions of 86 or 289 million tonnes of carbon dioxide ...
Calculation of Emissions from Road Transport; Compilation of an emission inventory; Calculation for different vehicle categories (passenger cars, light duty vehicles, heavy duty vehicles, mopeds and motorcycles) Pollutants covered: major air pollutants (CO, NOx, VOC, PM, NH 3, SO 2, heavy metals) greenhouse gas emissions (CO 2, N 2 O, CH 4)
Every car has an optimal speed range that results in minimum fuel consumption, but this range differs between vehicle types, design and age. Typically it looks like this graph below: fuel ...
The environmental calculator of the French environment and energy agency (ADEME) published in 2007 using data from 2005 [144] enables one to compare the different means of transport as regards the CO 2 emissions (in terms of carbon dioxide equivalent) as well as the consumption of primary energy.