Economy Fuel Economy Gas Gasoline-Electric 
Green Car Congress
NOVEMBER 18, 2021
The 2022 Fuel Economy Guide, released by ORNL for the DOE/EPA fueleconomy.gov website, provides up-to-date information on fuel economy, environmental and safety data, so consumers can choose the most fuel-efficient vehicle that meets their needs. Credit: Andrew Sproles/ORNL, U.S.
Green Car Congress
OCTOBER 19, 2021
Using current technologies, all evaluated biofuel, battery electric, and hydrogen fuel cell vehicle pathways offer significant C2G GHG emissions reduction compared to the current gasoline internal combustion engine vehicle. When fueled by hydrogen produced from landfill gas, the total dropped to 117 g CO 2 e/mi.
Green Car Congress
JULY 15, 2014
Improving fuel economy exhibits diminishing returns in fuel savings, according to a brief analysis by the US Energy Information Administration (EIA). Similarly, the fuel and cost savings of improving fuel economy from 12 mpg to 15 mpg are the same as increasing from 30 mpg to 60 mpg.
Green Car Congress
MARCH 18, 2022
In this case—which reflects only current laws and regulations—renewable energy is the fastest-growing energy source through 2050, while petroleum remains the largest share of energy consumption throughout that period, followed by natural gas. Source: U.S. Energy Information Administration, Annual Energy Outlook 2022 (AEO2022).
Green Car Congress
OCTOBER 11, 2014
With alternative fuel vehicles now approaching 1% of new vehicle production, however, they are in fact beginning to have a “ measurable and meaningful impact ” on overall new vehicle fuel economy and CO 2 emissions. In the analysis, EPA uses overall fuel economy in mpg equivalent (mpge) and tailpipe CO 2 emission values.
Green Car Congress
APRIL 1, 2020
The US Department of Transportation’s National Highway Traffic Safety Administration (NHTSA) and the US Environmental Protection Agency (EPA) released the final Safer Affordable Fuel-Efficient (SAFE) Vehicles Rule setting corporate average fuel economy (CAFE) and CO 2 emissions standards for model years 2021-2026 passenger cars and light trucks.
Green Car Congress
OCTOBER 12, 2015
Researchers at the MIT Joint Program on the Science and Policy of Global Change have compared the worldwide economic, environmental, and energy impacts of currently planned fuel economy standards (extended to the year 2050) with those of region-specific carbon prices designed to yield identical CO 2 emissions reductions.
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