Since diesel became a dirty word, new investment opportunities have been growing. European capitals, such as Paris, have indicated that diesel power will be banned completely by 20301. Meanwhile, London will increase the ultra-low emissions zone in 2021, and require all taxis and private hire vehicles to be zero-emissions2.
The reasons are clear. Air pollution is a health crisis, shortening life expectancy by damaging lungs and worsening chronic illnesses. London has experienced illegal levels of air pollution since 20103. Meanwhile, the majority of Britain’s climate change emissions come from transport4, with petrol and diesel cars as the main source.
The search for alternative, cleaner fuels has intensified, with electric battery-powered and hydrogen fuel cell vehicles leading the way as viable options. But which is best?