Shell is an evil oil company. For example, they knew about climate change in 1986 already and kept it quiet[1]. But now they are pressured by public opinion, court, government, and even shareholders to take action. Their PR propaganda is now to reduce CO2 as much as possible for fossil fuels and to develop alternatives. They are a key player in liquidised natural gas, which produces less CO2. Next they are engineering heavily in hydrogen production, which sucks for cars but will probably be nice for ships.
[1] https://thecorrespondent.com/6285/shell-made-a-film-about-cl...