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The case for a lipids cap in California’s Low Carbon Fuel Standard
Explores the increases in U.S. imports of used cooking oil (UCO), driven by policies incentivizing low-carbon intensity fuels like California’s Low Carbon Fuel Standard (LCFS).
O impacto ambiental de biocombustíveis no Brasil: O que ficou de fora?
Estudo da EPE projeta reduções significativas das emissões de biocombustíveis até 2032. No entanto, este estudo pode superestimar tais reduções, principalmente para o biodiesel, ao não considerar emissões ligadas ao uso da terra.
Can the Inflation Reduction Act unlock a green hydrogen economy?
Explores the potential of the Inflation Reduction Act to boost use of green hydrogen in the United States.
Sustainable aviation fuels: What does real leadership look like?
Argues that in the effort to ramp up production of sustainable aviation fuels, mandating their use is smarter than subsidizing their production.
Zero cheers for the supersoynic renaissance
Assesses the environmental impact of supersonic aircraft in light of U.S. support for alternative jet fuels produced from crops like soybeans.
E-fuels: The magic lollipop to keep combustion engines alive (or not)
Will newly introduced language in a European Council agreement weaken the 2035 phase-out and keep combustion engines alive?
The tortoise and the hare? The race to decarbonize aviation
Explores whether aviation emissions can be greatly reduced if air traffic returns to its pre-pandemic rapid growth.
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.
What if I told you cruising is worse for the climate than flying?
Vacationers take note: Even the most efficient cruise ships today emit more CO2 per passenger kilometer than a passenger jet.
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.
Place your bets: supersonics, or zero-emission planes?
In the high stakes casino of aircraft development, it’s time for industry and governments to place their bets. Supersonics, or zero-emission planes: which will it be?
