California Fleets Fueled with Bio-CNG Achieve Carbon-Negativity for Second Straight Year
(NGV America) Bio-CNG Below Zero Again with Annual Average Carbon Intensity Score of -44.4 gCO2e/MJ for 2021 -- Natural Gas Vehicles for America (NGVAmerica) and Coalition for Renewable Natural Gas (RNG Coalition) today announced that California fleets fueled with bio-CNG achieved