![]() There are a few ways to stop a car once it’s moving. ![]() It’s why a car coasts and doesn’t stop dead when the power is switched off. All three have gained kinetic energy by dint of the work done by the heaver, lugger or pusher and that energy will keep it moving until friction uses it up. Heaving a wheelbarrow full of muck, lugging a heavy wheelie bin out or pushing a heavy shopping trolley might take a fair bit of puff from standstill but once moving on a smooth surface the job becomes easier. That’s what regenerative braking is all about. The main reason for the electrification of cars in general has less to do with “it’s clean and doesn’t involve burning stuff”, its because the energy fed into the car to move it along the road can be recovered when it slows down.
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