Biofuels and methanol are gaining more consideration as a marine fuel to comply with the stricter environmental regulations by IMO to reduce shipping emissions. According to Nanyang Technological University’s senior scientist Dr Prapisala Thepsithar, biofuels can present a cleaner and low carbon alternative fuel source for the shipping industry.
Yet, biofuels still contribute to air pollution with the release of carbon monoxide and NOx. Dr Thepsithar adds that biofuel are also more expensive compared to traditional marine fuels so their use may not be realistic to ship owners.
Read more here: Marine Propulsion