Shipping line NYK and its subsidiary, Shin-Nippon Kaiyosha, have begun a pilot programme of using 100% biodiesel in tugboats.
Neste Renewable Diesel from Neste Oyj Group is being supplied under contract by Itochu Enex Co Ltd for use in Shin-Nippon’s tugboats.
Biofuels generally are made from renewable biomass (such as e.g. stalks from grain plants) and combustion results in virtually no new carbon dioxide (as the biomass usually extracts CO2 from the air as it grows when it is alive). Biofuels...
https://www.shippingaustralia.com.au/nyk-in-100-biofuel-trial/