"Motor fuel equivalent gallon" means the volume of alternative fuel it takes to equal the energy content of one gallon of gasoline or special fuel. The commissioner of safety shall adopt in rules under RSA 260:57 the applicable conversion rates for motor fuel equivalent gallons for compressed natural gas, liquid natural gas, and propane based on nationally recognized standards for weights and measures.
RSA 259:58-b
2014, 268:2, eff. Jan. 1, 2015.