Do you think the passenger would be willing to pay increased costs for non-smoking drivers and vehicle inspections? I suspect they would only if it was extreme

Do you think the passenger would be willing to pay increased costs for non-smoking drivers and vehicle inspections? I suspect they would only if it was extremely cheap, and that regardless this is of vastly less importance to them compared to the other factors (price, reliability) that often make these vans preferable to the MTA.