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vehicles 1976 and newer model-year gas-powered, hybrid, and flex-fuel vehicles; exemptions: new car = ≤6 model-years old are exempt; change of ownership = ≤4 model-years old are exempt required biennially for registration renewal; 2000 model-year and newer receive only visual and OBDII inspections
This reduction primarily occurred in the electric power sector, with a significant shift from coal-fired power to more sustainable energy sources like solar and natural gas. [14] In 2021, the electric power sector was the second largest source of U.S. greenhouse gas emissions, accounting for 25% of the U.S. total. [15]
A natural gas vehicle (NGV) utilizes compressed natural gas (CNG) or liquefied natural gas (LNG) as an alternative fuel source. Distinguished from autogas vehicles fueled by liquefied petroleum gas (LPG), NGVs rely on methane combustion, resulting in cleaner emissions due to the removal of contaminants from the natural gas source.
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The sharp acceleration in CO 2 emissions since 2000 to more than a 3% increase per year (more than 2 ppm per year) from 1.1% per year during the 1990s is attributable to the lapse of formerly declining trends in carbon intensity of both developing and developed nations. China was responsible for most of global growth in emissions during this ...
In December 2021 EPA issued new greenhouse gas standards for passenger cars and light trucks, effective for the 2023 vehicle model year. [ 11 ] State-level standards
The following table compares official EPA ratings for fuel economy (in miles per gallon gasoline equivalent, mpg-e or MPGe, for plug-in electric vehicles) for series production all-electric passenger vehicles rated by the EPA for model years 2015, [48] 2016, [49] 2017, [50] and 2023 [51] versus the model year 2016 vehicles that were rated the ...
The table below shows the total combined emissions as a percentage of all emissions. Oil and gas production data was obtained from annual reports from company websites and the SEC (2016). For some state owned enterprises, data was sourced from the ‘Oil & Gas Journal’ (1986-2016) or is estimated from national statistics (EIA 2017, BP 2016 ...