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Flying on the Grid

Argues that unless alternative aviation fuels are produced using additional and renewable electricity, their use will not necessarily decarbonize aviation and could actually increase aviation’s GHG emissions.

Hungry Hungry Airlines

Critiques the Biden Administration’s approach to development of sustainable aviation fuels (SAFs) and suggests an alternative path.

Scrub-less in Seattle, but not yet in Tacoma

Ports in Seattle and Tacoma could become leaders in the transition to zero-emission technologies by combining progressive environmental policy with their existing supply of low-carbon electricity.

ships in harbor at Port of Tacoma

The paradox of sustainable biomass

Recent research suggests that sufficient European biomass resources exist to sustainably decarbonize the transport sector. However, do the numbers check out?