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A comment on Denmark to ban petrol and diesel car sales by 2030. Parent comment

Re:Denmark to ban petrol and diesel car sales by 2030 by stephengillie on Wednesday October 03, 2018 @11:54AM (#18131485)
It's like a solid state version of a giant flywheel under the car. Bonus in that there's no extra angular momentum.
[ Parent | on HN ]
Re:Denmark to ban petrol and diesel car sales by 2030 by anticensor on Wednesday October 03, 2018 @12:46PM (#18132105)
Electric motor needs to be large enough to absorbe the momentum of travel, though. You saved momentum storage but not size.
[ Parent | on HN ]