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EVs dominate list of efficient cars in ORNL 2022 Fuel Economy Guide

Green Car Congress

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.

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Study estimates fuel economy improvements to US light-duty vehicles from 1975–2018 saved 2T gallons of fuel, 17B tons of CO2

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A team from the University of Tennessee and the National Renewable Energy Laboratory (NREL) has the fuel savings due to fuel economy improvements over the past 43 years amount to approximately two trillion gallons of gasoline. Also since 1975, light-duty vehicle travel increased by 134% while fuel use increased by only 37%.

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New Road Map to a US Hydrogen Economy

Green Car Congress

A coalition of major oil & gas, power, automotive, fuel cell, and hydrogen companies have developed and released the full new report, a “ Road Map to a US Hydrogen Economy. ” Road Map to a US Hydrogen Economy ”. —Fuel Cell and Hydrogen Energy Association (FCHEA) President Morry Markowitz. million jobs by 2050.

Economy 521
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PNNL team develops onboard fuel separation technology to enable octane-on-demand for improved fuel economy

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Researchers at the US Department of Energy’s Pacific Northwest National Laboratory (PNNL) have developed an onboard separation system that could support increased fuel economy and lower greenhouse gas emissions as part of an octane-on-demand fuel-delivery system. Unfortunately, these engines exacerbate engine knock.

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Study finds GHG emissions from corn ethanol now 46% lower than gasoline

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A new study by a team from Environmental Health & Engineering (EH&E) has found that greenhouse gas emissions from corn ethanol are 46% lower than those from gasoline—a decrease in emissions from the estimated 39% done by previous modeling. EH&E) and Adjunct Professor of Environmental Health at Harvard’s T.H. —Scully et al.

Gasoline 493
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DOE: Life cycle GHG emissions for 2020 electric small SUV were half those of a conventional gasoline small SUV

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C2G emissions are a sum of WTW emissions and emissions associated with vehicle manufacturing. C2G emissions are a sum of WTW emissions and emissions associated with vehicle manufacturing. When fueled by hydrogen produced from landfill gas, the total dropped to 117 g CO 2 e/mi.

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Flying first class on a single domestic round trip can contribute more greenhouse gas emissions than a year of driving

Green Car Congress

This analysis examined the effect of flight distance on greenhouse gas emissions per passenger, and compared emissions from flying different distances with annual emissions from driving. Greenhouse gas emissions were examined for 17 nonstop flights with round-trip distances ranging from 131 miles to 19,040 miles.

Emissions 419