Archived Tesla's Semi-Truck Would Require Energy Of 4,000 Homes To Recharge (zerohedge.com)
submitted ago by EarlPoncho
Posted by: EarlPoncho
Posting time: 3 years ago on
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Archived on: 3/3/2018 10:00:00 AM
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22 upvotes, 4 downvotes (85% upvoted it)
Archived Tesla's Semi-Truck Would Require Energy Of 4,000 Homes To Recharge (zerohedge.com)
submitted ago by EarlPoncho
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[–] [deleted] 1 point 1 point 2 points (+2|-1) ago
[–] Germ22 0 points 1 point 1 point (+1|-0) ago
Power plants need fuel to burn as well that need to be mined and depending on the fuel refined. And power plants are not much more efficiant.
Typical thermal efficiency for utility-scale electrical generators is around 33% for coal and oil-fired plants, and 56 – 60% (LEV) for combined-cycle gas-fired plants. Plants designed to achieve peak efficiency while operating at capacity will be less efficient when operating off-design (i.e. temperatures too low.) source
Modern gasoline engines have a maximum thermal efficiency of about 25% to 50% when used to power a car. source
Over all electric vehicles just shift the fossil fuel consumption from one place to another.
[–] Womb_Raider 0 points 1 point 1 point (+1|-0) ago
This argument neglects the non-burning methods of harvesting electricity: hydro and aero-powered kinetic turbines. In theory, with enough of them, we could stop relying on oil and coal. But the infrastructure cost would be incredible, and wind turbines would be littering the view everywhere. But in theory, we could do it.