Production of three-wheelers was voluntarily ceased by all manufacturers by 1987, in light of safety concerns, and ahead of any legislation. Though future studies would show that three-wheelers were not considered more unstable than four-wheelers (although accidents are equally severe in both classes), manufacturers agreed to a 10-year moratorium on production, as well as collectively financing a + $ 100 million ATV safety campaign. Despite the moratorium lifting, manufacturers have not returned to the ATC market, focusing instead on four wheeled ATVs.
A ban on sales of new or used three-wheelers and a recall of all remaining three-wheelers has been proposed by the American Academy of Pediatrics. However, it was determined in a CPSC study that three-wheelers are no more dangerous than other ATVs. Because of the cessation of production, it is widely assumed that the machines are unregistrable, uninsurable, and even illegal, despite a lack of any federal restrictions. All ATCs continue to be governed by the same laws as ATVs, with only select states implementing an older minimum age requirement for use of ATCs.
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