Titled Technical Specs for Energy-Pushed Automobiles Working on Roads, the proposal would exchange the prevailing GB 7258-2017 customary, which had no such throttle cap. Part 10.5.4 explicitly states:
“After every power-on/ignition… the car ought to be in a state the place the 100 km/h acceleration time will not be lower than 5 seconds.”
The restriction could be software-based—akin to at the moment’s Eco modes—and reset with each restart. Drivers may nonetheless entry full energy, however solely by intentionally choosing a faster setting every time they get in.
Whereas the rule applies to all passenger automobiles, high-performance EVs stand to lose essentially the most. Flagship fashions at present bragging 0-100 km/h instances below 2.5 seconds could be neutered at startup:

Separate Rule for Lengthy Automobiles
A companion draft, Security Specs for Energy-Pushed Automobiles Working on Roads, targets stretched passenger automobiles:
Part 10.5.1: Automobiles ?6 m lengthy should sound a visible/audible overspeed alarm if exceeding a factory-set restrict (capped at 100 km/h), until outfitted with an authorized pace limiter.
This primarily impacts limousines. The prior-generation Rolls-Royce Phantom Prolonged Wheelbase (6,092 mm) would set off the alarm; the present mannequin (5,982 mm) narrowly escapes.
Europe already mandates speed-limit warnings, however China’s strategy is stricter: precise efficiency throttling at startup, not simply alerts. If handed, the principles would reshape how drivers expertise acceleration—particularly on the earth’s largest EV market.
