The freight traffic volume in global logistics has increased by 101% in the past 20 years, with emissions rising 40% in the same time period. Commercial shipping is evidently still under pressure to improve its green credentials. As part of this, key players in the sector are increasingly seeking to use renewable or alternative fuels in order to lessen the impacts on the environment, as well as looking to improve scheduling and efficiency. The below nominees have each proven to be making important strides in this regard.