translate English to French: However, on vehicles such as heavy trucks and tourist coaches, where the benefit of Electronic Stability Control Systems may be even greater than for cars, there is often not the market incentive to fit Electronic Stability Control Systems voluntarily, since, unlike the case with cars, the purchasers are not normally the beneficiaries.
Cette coexistence est actuellement une source de grande confusion pour les parties prenantes, qui ne sont pas étroitement associées au système d’homologation, et aboutit à un système réglementaire qui est moins que complètement transparent.