Definition of "non-biological"

Noting that renewable fuels of non-biological origin (RFNBO - for example, hydrogen-derived fuels such as methanol and ammonia) have the greatest role in decarbonising domestic and international maritime freight, the report concludes that they may also have a "limited role in some niches" for road and rail freight.

2023 November 1, Mel Holley, “Network News: Electrification is key for green freight targets”, in RAIL, number 995, page 28