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With fuel prices soaring, a new government–industry partnership based at the National Renewable Energy Laboratory (NREL) plans to shift the aviation market further away from oil fields and closer to the farmlands.

The planned 10-ton-per-day pilot plant project, Sustainable Aviation Fuel From [i] Renewable Ethanol, or SAFFiRE, involves D3MAX LLC, the U.S. Department of Energy (DOE) Bioenergy Technologies Office (BETO), Southwest Airlines, NREL, LanzaJet, and other partners. The results could help make the goals of the multiagency Sustainable Aviation Fuel Grand Challenge a reality.

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Just as the wheels keep turning on cars, trucks, and trains, the planet keeps spinning in its orbit. All the while, climate change is accelerating, along with the dire need to cut greenhouse gas (GHG) emissions responsible for global warming. Transportation activity releases 1.5 billion tons of GHGs into the atmosphere every year.

The U.S. Department of Energy (DOE) Co-Optimization of Fuels & Engines (Co-Optima) initiative recently wrapped up six years of fuel and engine research designed to more rapidly reduce dependence on international petroleum and cut emissions, while slowing global warming. DOE's National Renewable Energy Laboratory (NREL) played a major role in the collaborative undertaking. Findings are now available in a recently released report.

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Biofuels have been proven to emit significantly lower greenhouse gas (GHG) emissions than petroleum-based fuels, and recent scientific studies indicate that net-zero emission biofuels are not only possible, but achievable.

Corn ethanol and other biofuels are essential in America’s transition to a clean energy economy that creates good-paying jobs, increases energy independence, and supports the Biden Administration’s climate goals. However, not all biofuels are created equal. The GHG emissions of a biofuel depend on what it’s made from, how and where it’s made, and how it’s used—the full life cycle of the biomass, biofuel production, and use.

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Farmers chase profit in all kinds of ways. In the Corn Belt, it usually means growing a good crop and selling it for profit. But what if your main profit driver came from carbon removal?

At the recent World Agri-Tech Innovation Summit that scenario was laid out by David Babson, director of Advance Research Projects Agency at the U.S. Department of Energy.

“We no longer have the luxury of just reducing emissions to meet our climate targets,” says Babson. “We have to reduce our emissions down to zero and then go negative.”

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Back in 2009, Win Phippen had this idea. If he could just raise a better pennycress, he might have another biofuel cash crop. So Phippen, a plant breeder at Western Illinois University, loaded up his wife and kids in the family minivan and hit the road.

“We’d just drive, and every 50 miles or so, I’d stop. We’d get off the interstate and weave up and down farmers’ fields, looking for a little pennycress,” he says. Around a telephone pole, near an old silo. Next to a field. Phippen, his wife, and their three young kids.

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Rain forests may be known as the planet’s lungs, but it’s when standing before the seas, with their crashing waves and ceaselessly cycling tides, that we feel the earth breathe. The ocean, say scientists, is the source of all life on earth. It is also, say philosophers, the embodiment of life’s greatest terror: the unknown and uncontrollable.

This duality has become increasingly manifest in the climate discourse of recent years, as ice melts, seas rise, and shores everywhere face storms of a ferocity unseen in living memory. But even as the ocean has become the subject of hand-wringing over what we’ve wrought, it has also become a keystone of hope that we may limit the damage if we act now.

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The U.S. Department of Interior will phase-out the use of single-use plastics from areas it manages, including all national parks, within 10 years.

Interior Secretary Deb Haaland mandated the move, which aims to reduce waste, by 2032 in an order issued on June 8. Products that will be phased out include “plastic and polystyrene food and beverage containers, bottles, straws, cups, cutlery and disposable plastic bags.”

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Enteric methane, which animals release into the atmosphere by belching or exhaling, is a significant source of direct greenhouse gas emissions. The Greener Cattle Initiative, an industry collaborative created by the Foundation for Food & Agriculture Research (FFAR) and Innovation Center for U.S. Dairy, is issuing a request for applications to advance enteric methane reduction research. The initiative specifically seeks research to develop scalable technologies that reduce enteric methane emissions and enhance sustainable production of beef and dairy.

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Rotting seaweed has plagued the Caribbean for more than 10 years – but our research shows how we could clean up beaches and emissions at the same time, by turning what’s now rubbish into renewable electricity and fertiliser.

Pelagic sargassum is a brown seaweed that floats at the surface of oceans, particularly in the Atlantic.

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Because next-generation biofuels will depend on the growth and hardiness of woody feedstocks, scientists have sought to better understand how leaf cells quickly respond to environmental cues such as light, temperature and water. These rapid responses take the form of “post-translational modifications” that occur when a plant cell chemically modifies a protein to alter its function within seconds.

Scientists at the Center for Bioenergy Innovation, or CBI, have studied this phenomenon in leaves from poplar trees during normal daily cycles of daylight and darkness. Until now, the effect of these modifications at the cellular protein level was not well understood, partly because of the technical limitations of the analytical tools available.

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