The California marine industry is to get easier access to renewable diesel. This has become increasingly important since California’s Commercial Harbor Craft (CHC) regulation, established by the California Air Resources Board (CARB), took effect on January 1, 2023. The regulation requires commercial harbor craft in the state to use renewable diesel (also known locally as R99 or R100) instead of ultra-low sulfur diesel (ULSD), to limit emissions such as particulate matter and nitrogen oxides for...