"It makes validating a yoke in a passenger car much harder since it requires impact points forces to be measured on the upper and lower part of the rim, which are missing in a yoke-type setup. The thinking behind this new standard, which is set to take effect starting in 2027, is that by having a full wheel, the danger of the driver missing the airbag when it deploys is considerably smaller."
"The source also shows how they simulate a head impact test and how a round steering wheel is much safer in this regard. MIIT said its data shows that 46% of all driver injuries are caused by the steering wheel and column assembly. But there's more to it than that. The yoke also has a real-world usability issueunless it's paired with steer-by-wire or a very quick variable-ratio system."
The MIIT draft safety standard could effectively end yoke steering wheels in new passenger cars in China starting in 2027. The rule requires measuring impact-point forces on the upper and lower rim sections, which yoke designs lack, making validation difficult. Regulators warned that yokes can let an inflating airbag slide under the driver's head, reducing cushioning, and that yoke airbag covers may fragment and create dangerous debris. MIIT data attributes 46% of driver injuries to the steering wheel and column assembly. Yokes also create usability problems unless paired with steer-by-wire or very quick variable-ratio steering.
Read at insideevs.com
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