silence7@slrpnk.net to solarpunk memes@slrpnk.netEnglish · edit-210 days ago80% of your gas money goes out the tailpipeslrpnk.netimagemessage-square33fedilinkarrow-up1277arrow-down112file-text
arrow-up1265arrow-down1image80% of your gas money goes out the tailpipeslrpnk.netsilence7@slrpnk.net to solarpunk memes@slrpnk.netEnglish · edit-210 days agomessage-square33fedilinkfile-text
minus-squareMaclinkfedilinkEnglisharrow-up20arrow-down1·10 days agoWell-To-Wheel energy efficiency: Gasoline: ~20% Diesel: ~30% H Fuel Cell: ~25% BEV (fossil power): ~20%* BEV (renewable): ~55%* *BEV is highly dependent on energy source. Anwhere from ~20% WTW from natural gas power generation to 75% from roof-mounted solar. Keep in mind this is a summary of a summary of a summary. Sources: https://www.researchgate.net/publication/344860096_Comparison_of_the_Overall_Energy_Efficiency_for_Internal_Combustion_Engine_Vehicles_and_Electric_Vehicles https://c2e2.unepccc.org/wp-content/uploads/sites/3/2019/09/analysis-of-hydrogen-fuel-cell-and-battery.pdf https://yaleclimateconnections.org/2022/08/electrifying-transportation-reduces-emissions-and-saves-massive-amounts-of-energy/
minus-squareLostXOR@fedia.iolinkfedilinkarrow-up24·10 days agoTechnically solar panels are only ~20% efficient, but there’s also virtually unlimited sun so it doesn’t really matter.
Well-To-Wheel energy efficiency:
Gasoline: ~20%
Diesel: ~30%
H Fuel Cell: ~25%
BEV (fossil power): ~20%*
BEV (renewable): ~55%*
*BEV is highly dependent on energy source. Anwhere from ~20% WTW from natural gas power generation to 75% from roof-mounted solar.
Keep in mind this is a summary of a summary of a summary.
Sources:
Technically solar panels are only ~20% efficient, but there’s also virtually unlimited sun so it doesn’t really matter.
Scotland disagrees
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