It shall be unlawful to operate any hydrocarbon gas powered motor vehicle, registered in Louisiana, with a concealed tank for the fuel, upon any public highway or street in this state, which does not have conspicuously displayed, a placard stating that the motor vehicle is powered by hydrocarbon gas.
La. R.S. 32:1602
Hydrocarbon gas powered motor vehicles, placard required
Added by Acts 1983, No. 117, §1, eff
Official source: Louisiana State Legislature. Reproduced from public-domain Louisiana statutes; confirm against the official source for the current text. Not legal advice.