50.No one may offer for sale, exhibit for sale or sell an engine or motor vehicle
(a) the operation of which has the effect of emitting pollutants into the atmosphere; or
(b) in respect of which a regulation of the Government requires the installation of an apparatus to reduce or eliminate the emission of contaminants into the atmosphere, unless the engine or motor vehicle is provided with such apparatus.
50.No one may offer for sale, exhibit or sell an engine or motor vehicle the operation of which has the effect of emitting into the air a contaminant over and above the standards prescribed by regulation of the Gouvernement.