Shipping industry seeks sustainable fuel alternatives

The shipping sector is moving away from heavy fuel oil to greener alternatives in response to stringent global regulations.

Chris Baraniuk reports for Hakai Magazine.


In short:

  • New regulations by the International Maritime Organization require significant emission reductions, prompting the search for sustainable fuels like methanol, hydrogen, ammonia and experimenting with electricity and nuclear power.
  • Methanol shows promise due to renewable production methods, but challenges in global availability persist.
  • Ammonia emerges as a strong candidate despite its toxicity, with ongoing developments to improve its combustion efficiency in maritime engines.
  • However, the industry needs to look at other ways to cut down emissions, like wind-assisted technologies.

Why this matters:

Transitioning to cleaner fuels is important for the shipping industry to meet upcoming emission reduction targets, which are set to become net zero by 2050. Success in this industry could set a precedent for other sectors, pushing them towards their own environmental commitments.

The construction of a warehouse or data center
Credit: ungvar/Big Stock Photo ID: 474261073

Erin Brockovich: Environmentalist vs. the data center boom

Do you know where a data center is due to be constructed in your area? An increasing number of US citizens can answer "yes" — thanks to a map created by Erin Brockovich. DW explains why people need to know.
An aerial view of a large ship moving through green ocean water

Canada-Germany deal shows LNG as a climate solution is ‘false’

B.C. natural gas would replace Russian gas, not coal, which experts say weakens arguments that liquefied natural gas lowers global emissions

A hurricane approaching the southern United States as viewed from space

This swirling gyre spawns storms. How will climate change affect it?

Scientists say climate change is likely to increase rainfall associated with these gyres, but whether warming will make them more frequent or more likely to spawn hurricanes remains uncertain.

A wooden gavel resting on a round pedestal on top of a desk

Louisiana seeks to shield oil industry from climate lawsuits

Legislation that would make Louisiana the fifth state this year to buffer oil and gas companies from climate lawsuits is awaiting the governor’s signature.

A large warehouse under construction with green fields and a town in the distance

AI and data centers leave goliath-sized environmental footprints globally

According to a United Nations University report, the environmental footprint of data centers already rivals some of the world’s largest countries.
A woman holding a protest sign that says There is no planet B

New York backtracked on its climate goals. Here’s why

Lawmakers in New York wanted to lead the energy transition, but Governor Kathy Hochul is worried about the cost of ditching natural gas.

3 offshore wind turbines sillouetted against a setting (or rising) sun

7 states sue to stop Trump’s offshore wind deal with TotalEnergies

Led by New York, the attorneys general argue that the administration’s agreement to reimburse the energy giant for abandoning its offshore wind leases is illegal.

From our Newsroom
Multiple Houston-area oil and gas facilities that have violated pollution laws are seeking permit renewals

Multiple Houston-area oil and gas facilities that have violated pollution laws are seeking permit renewals

One facility has emitted cancer-causing chemicals into waterways at levels up to 520% higher than legal limits.

Regulators are underestimating health impacts from air pollution: Study

Regulators are underestimating health impacts from air pollution: Study

"The reality is, we are not exposed to one chemical at a time.”

Pennsylvania governor Josh Shapiro speaks with the state flag and American flag behind him.

Two years into his term, has Gov. Shapiro kept his promises to regulate Pennsylvania’s fracking industry?

A new report assesses the administration’s progress and makes new recommendations

silhouette of people holding hands by a lake at sunset

An open letter from EPA staff to the American public

“We cannot stand by and allow this to happen. We need to hold this administration accountable.”

wildfire retardants being sprayed by plane

New evidence links heavy metal pollution with wildfire retardants

“The chemical black box” that blankets wildfire-impacted areas is increasingly under scrutiny.

Stay informed: sign up for The Daily Climate newsletter
Top news on climate impacts, solutions, politics, drivers. Delivered to your inbox week days.