Union of Concerned Scientists

JANUARY 18, 2024

Today, hydrogen is overwhelmingly produced through a heavily polluting fossil fuel-based process. But hydrogen can be cleanly produced and, with the right guardrails in place, that clean hydrogen can then be used to clean up polluting parts of the economy that can’t readily convert to running on renewable electricity.

Fossil Fuels 179

Fossil Fuels Clean Energy 2028 Carbon Emissions 179

Union of Concerned Scientists

MARCH 25, 2024

UCS supports Treasury’s proposed temporal-matching requirement, with a phase-in of hourly matching by 2028 with no exemptions for legacy producers. Upstream methane emissions are a potentially substantial share of the overall emissions rate of fossil fuel-based hydrogen production facilities. Hourly matching.

Clean Energy 184

Clean Energy Waste Greenhouse Clean Air Act 184

Acoel

JUNE 29, 2022

EPA’s latest proposed rule targeting NOx emissions from fossil-fueled electric generating units (EGUs) is a classic study of diminishing returns. The downwind air quality benefits are minimal. Posted on June 29, 2022 by Eugene M. It marks the seventh round of NOx controls for the EGU sector since 1990.

Ozone 40

Ozone Clean Air Act 2026 2015 40