Fossil Fuels

"Bormio Stelvio Ski Centre - Stelvio (ski course) - Milano Cortina 2026 - 11" by Dispe is marked with CC0 1.0.

How Sustainable Were The 2026 Olympics, Really?

The International Olympic Committee (IOC) is proud of the sustainability actions it required the host country, Italy, to implement for the 2026 Milano Cortina Games. Measures included minimizing negative impacts on the environment and using the Games’ visibility to showcase sustainable solutions. Protecting biodiversity and managing resources sustainably, the Committee … [continued]

Caption: Chatgpt generated visualization of RFNBO compliance pathways in transport.

How Europe Can Meet Hydrogen Fuel Mandates Without Hydrogen Fuels

When I published my recent piece on Germany’s bid to double hydrogen-based fuel targets to try to justify already built and already stranded hydrogen infrastructure, readers raised important questions about compliance mechanics. One pointed out that the 1% RFNBO subtarget can be met by replacing grey hydrogen in refineries rather … [continued]

Photo by Kyle Field, CleanTechnica.

Sierra Club Response to Donald Trump’s State of the Union Address

Tonight, as costs for American families continue to soar and environmental and public health protections are weakened by his administration, Donald Trump delivered the first official State of the Union address of his second term. In response, Sierra Club Executive Director Loren Blackford released the following statement: “For a majority … [continued]

ChatGPT generated image of a modern container ship docked at an industrial port with alcohol fuel storage tanks and shore power connections, illustrating emerging clean bunkering infrastructure

Hybrid Electric Ships and the Alcohol Fuel Convergence

In recent weeks I have published on the end game economics of maritime fuels, why decarbonizing maritime shipping won’t be inflationary, and why most battery electric shipping studies were already obsolete. Those pieces generated a steady stream of questions that were more specific than the original arguments, as well as … [continued]

Chatgpt generated comparison of grey, blue, and green ammonia pathways.

Grey, Blue, or Green: The Real Ammonia Math

Equinor’s decision to halt its blue hydrogen project in Groningen is not a story about engineering failure or lack of public support. It is a story about the absence of customers. The H2M project secured support from the EU Innovation Fund and was positioned as a cornerstone of industrial decarbonization … [continued]

Taxing Fossil Fuel Profits

A fair and effective tool for Europe’s energy transition Fossil fuels still account for around 70% of the EU’s energy consumption, leaving it heavily dependent on imports and exposed to price shocks. In 2024 alone, the EU spent more than €375 billion on fossil fuel imports, while fossil fuel companies made €180 billion … [continued]